{"title":"Glasswool Batts","description":"\u003cp\u003eGlasswool wall, ceiling, underfloor and acoustic batts.\u003c\/p\u003e","products":[{"product_id":"r6-0-hp-bradford-gold-ceiling-batts-260mm","title":"R6.0 HP Bradford Gold Ceiling Batts 260mm","description":"\u003cp\u003eR6.0 HP Bradford Gold is a high density non-combustible glasswool ceiling batt at 260 mm. It is a serious ceiling spec, normally seen where the energy rating has to be lifted well past the ordinary residential target.\u003c\/p\u003e\n\u003ch3\u003eBefore you order, measure the depth\u003c\/h3\u003e\n\u003cp\u003e260 mm of batt needs 260 mm of clear space to sit at its rated thickness. In a lot of roof spaces the ceiling is fine in the middle and pinches at the eaves, and a batt crushed at the perimeter is not delivering R6.0 there. If the depth is not available, a lower R-value installed properly beats a high one squashed in.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSix batts per pack at 1160 mm long. The 430 mm width covers 2.99 m² per pack, the 580 mm covers 4.04 m². At this R-value the pack covers roughly a third of what an R2.5 pack does, so check the pack count against the ceiling area early. \u003ca href=\"\/blogs\/blog\/how-much-insulation-do-i-need\"\u003eCoverage per pack explained\u003c\/a\u003e has a worked example.\u003c\/p\u003e\n\u003ch3\u003eWhere it sits in the range\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/r5-0-hp-bradford-gold-ceiling-batts-240mm\"\u003eR5.0 HP\u003c\/a\u003e is one step down at 240 mm, \u003ca href=\"\/products\/r7-0-hp-bradford-gold-ceiling-batts-290mm\"\u003eR7.0 HP\u003c\/a\u003e one step up at 290 mm. Which one the job needs comes from the climate zone and the rest of the build-up, not from the number alone. See \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by Australian climate zone\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the joists, butt the ends, no gaps, no compression, and keep the clearances downlights and flues require.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (6 per pack, 2.99 m²)","offer_id":45351820361910,"sku":"467949","price":51.3,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (6 per pack, 4.04 m²)","offer_id":45351820394678,"sku":"467960","price":67.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r6-0-bradford-gold-ceiling-batts.jpg?v=1786540075"},{"product_id":"r4-0-hp-bradford-gold-wall-batts-140mm","title":"R4.0 HP Bradford Gold Wall Batts 140mm","description":"\u003cp\u003eR4.0 HP Bradford Gold is a high density non-combustible glasswool wall batt at 140 mm, for deep stud walls rather than standard residential framing.\u003c\/p\u003e\n\u003ch3\u003eThis needs a 140 mm frame\u003c\/h3\u003e\n\u003cp\u003eIt is not a batt you fit into a 90 mm wall. At 140 mm it belongs in a deliberately deep wall, the kind built for a high energy rating, a passive design, or a commercial wall build-up where the frame was sized for the insulation from the start. Check the actual stud depth before ordering, because there is no way to make this work in a shallower cavity.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eFive batts per pack in two sizes at 1160 mm long: 420 mm wide covering 2.44 m² and 570 mm wide covering 3.31 m².\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides. No gaps, and no compression, which matters more at this density than anywhere else in the range.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (5 per pack, 2.44 m²)","offer_id":45351820492982,"sku":"181432","price":58.9,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (5 per pack, 3.31 m²)","offer_id":45351820525750,"sku":"181416","price":78.85,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r4-0-bradford-gold-wall-batts.jpg?v=1786540075"},{"product_id":"r7-0-hp-bradford-gold-ceiling-batts-290mm","title":"R7.0 HP Bradford Gold Ceiling Batts 290mm","description":"\u003cp\u003eR7.0 HP Bradford Gold is the highest R-value ceiling batt in the Bradford Gold range, a high density non-combustible glasswool batt at 290 mm.\u003c\/p\u003e\n\u003ch3\u003eThis one is depth limited, not price limited\u003c\/h3\u003e\n\u003cp\u003eAt 290 mm the constraint is almost always the roof space, not the budget. Before ordering, check the clear depth above the ceiling across the whole area including the eaves, not just at the ridge. A 290 mm batt crushed to 200 mm at the perimeter performs like a 200 mm batt there, and the difference between what the paperwork says and what the ceiling does starts exactly at that point.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eFour batts per pack at 1160 mm long. The 430 mm width covers 2 m² per pack and the 580 mm covers 2.69 m². That is the lowest coverage per pack in the range, so the pack count on a whole ceiling adds up quickly. \u003ca href=\"\/blogs\/blog\/how-much-insulation-do-i-need\"\u003eCoverage per pack explained\u003c\/a\u003e covers the estimating.\u003c\/p\u003e\n\u003ch3\u003eIs R7.0 the right call\u003c\/h3\u003e\n\u003cp\u003eSometimes a lower R-value with the gaps properly closed and the eaves detailed well beats a higher one fitted into a space that cannot take it. \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by Australian climate zone\u003c\/a\u003e covers how the requirement is set, and \u003ca href=\"\/products\/r6-0-hp-bradford-gold-ceiling-batts-260mm\"\u003eR6.0 HP\u003c\/a\u003e at 260 mm is the step below if depth is marginal.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the joists, butt the ends, no gaps, no compression, and keep the clearances downlights and flues require.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (4 per pack, 2 m²)","offer_id":45351820427446,"sku":"467961","price":47.5,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (4 per pack, 2.69 m²)","offer_id":45351820460214,"sku":"467962","price":63.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r7-0-bradford-gold-ceiling-batts.jpg?v=1786540075"},{"product_id":"r3-5-bradford-gold-ceiling-batts-185mm","title":"R3.5 Bradford Gold Ceiling Batts 185mm","description":"\u003cp\u003eR3.5 Bradford Gold is a non-combustible glasswool ceiling batt at 185 mm thick, and it is one of the most commonly specified ceiling values in Australian housing.\u003c\/p\u003e\n\u003ch3\u003eWatch the pack sizes on this one\u003c\/h3\u003e\n\u003cp\u003eThe two widths do not carry the same pack count. The 430 mm batt comes 16 to a pack covering 7.98 m², while the 580 mm comes 10 to a pack covering 6.73 m². That means the wider batt covers less per pack, not more, so work off the square metre figure rather than counting packs by habit. \u003ca href=\"\/blogs\/blog\/how-much-insulation-do-i-need\"\u003eCoverage per pack explained\u003c\/a\u003e has a worked example.\u003c\/p\u003e\n\u003ch3\u003eWhich width\u003c\/h3\u003e\n\u003cp\u003e430 mm suits framing at 450 mm centres and 580 mm suits 600 mm centres, which is the usual Australian set-out. Measure yours before ordering.\u003c\/p\u003e\n\u003ch3\u003eIf you need more\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/r4-1-bradford-gold-ceiling-batts-215mm\"\u003eR4.1 at 215 mm\u003c\/a\u003e is the next step in standard Gold, and the HP range goes further again in \u003ca href=\"\/products\/r5-0-hp-bradford-gold-ceiling-batts-240mm\"\u003eR5.0\u003c\/a\u003e, R6.0 and R7.0 for tighter build-ups. What you actually need comes from the climate zone and the rest of the system, covered in \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by Australian climate zone\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the joists, butt the ends, no gaps, and do not compress the batt to make it fit. Keep the clearances required around downlights and flues.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. In Victoria this work may attract a discount under the \u003ca href=\"\/blogs\/blog\/victorian-energy-upgrades-ceiling-insulation\"\u003eVictorian Energy Upgrades program\u003c\/a\u003e. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (16 per pack, 7.98 m²)","offer_id":45351820689590,"sku":"15241","price":61.75,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (10 per pack, 6.73 m²)","offer_id":45351820722358,"sku":"41895","price":51.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r3-5-bradford-gold-ceiling-batts.jpg?v=1786540207"},{"product_id":"r5-0-hp-bradford-gold-ceiling-batts-240mm","title":"R5.0 HP Bradford Gold Ceiling Batts 240mm","description":"\u003cp\u003eR5.0 HP Bradford Gold is a high density non-combustible glasswool ceiling batt at 240 mm. HP means the glasswool is packed denser, which is how it reaches R5.0 without the batt getting any deeper than it has to.\u003c\/p\u003e\n\u003ch3\u003eWhat HP is for\u003c\/h3\u003e\n\u003cp\u003eTwo situations. Either the build-up is tight and you need more R-value out of the depth available, or the climate zone is demanding enough that the standard range runs out. If neither applies, \u003ca href=\"\/products\/r4-1-bradford-gold-ceiling-batts-215mm\"\u003eR4.1 standard Gold\u003c\/a\u003e at 215 mm covers the same ceiling for less. \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by Australian climate zone\u003c\/a\u003e covers how the requirement is set in the first place.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eEight batts per pack, 1160 mm long. The 430 mm width covers 3.99 m² and the 580 mm covers 5.38 m². Coverage per pack keeps falling as the R-value climbs, so budget for more packs than a standard R3.5 job would need over the same ceiling.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eCheck the depth before you order. At 240 mm the batt needs genuine clearance, especially near the eaves. Friction fit between the joists, butt the ends, no gaps, and do not compress it, because a compressed high density batt gives up the very thing you paid for. Keep the clearances downlights and flues require.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Next steps up are \u003ca href=\"\/products\/r6-0-hp-bradford-gold-ceiling-batts-260mm\"\u003eR6.0 HP\u003c\/a\u003e and \u003ca href=\"\/products\/r7-0-hp-bradford-gold-ceiling-batts-290mm\"\u003eR7.0 HP\u003c\/a\u003e. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (8 per pack, 3.99 m²)","offer_id":45351820296374,"sku":"467911","price":52.25,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (8 per pack, 5.38 m²)","offer_id":45351820329142,"sku":"467912","price":70.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r5-0-bradford-gold-ceiling-batts.jpg?v=1786540206"},{"product_id":"r4-1-bradford-gold-ceiling-batts-215mm","title":"R4.1 Bradford Gold Ceiling Batts 215mm","description":"\u003cp\u003eR4.1 Bradford Gold is a non-combustible glasswool ceiling batt at 215 mm thick, the top of the standard Gold ceiling range before the higher density HP batts take over.\u003c\/p\u003e\n\u003ch3\u003eDepth is the thing to check first\u003c\/h3\u003e\n\u003cp\u003eAt 215 mm this batt needs real room above the ceiling. If the roof space pinches down at the eaves, or there is ductwork or a flue running through, check the actual clearance before ordering rather than after. A batt squashed to fit is not delivering R4.1, and at this thickness there is more to lose.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eTen batts per pack in both widths at 1160 mm long: 430 mm covering 4.99 m² and 580 mm covering 6.73 m². Coverage per pack drops as the batts get thicker, so a high R spec means more packs for the same ceiling. \u003ca href=\"\/blogs\/blog\/how-much-insulation-do-i-need\"\u003eCoverage per pack explained\u003c\/a\u003e covers the arithmetic.\u003c\/p\u003e\n\u003ch3\u003eOr step across to HP\u003c\/h3\u003e\n\u003cp\u003eIf you want a higher R-value without more depth, the HP batts are higher density and lift the R-value for the same or tighter build-up. \u003ca href=\"\/products\/r5-0-hp-bradford-gold-ceiling-batts-240mm\"\u003eR5.0 HP\u003c\/a\u003e is the next one up. Whether you need it comes down to climate zone and the rest of the build-up, which \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by Australian climate zone\u003c\/a\u003e works through.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the joists, butt the ends, leave no gaps, and keep whatever clearance the downlights and flues require.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (10 per pack, 4.99 m²)","offer_id":45351820230838,"sku":"111716","price":43.7,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (10 per pack, 6.73 m²)","offer_id":45351820263606,"sku":"111715","price":57.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r4-1-bradford-gold-ceiling-batts.jpg?v=1786540207"},{"product_id":"r2-5-bradford-gold-ceiling-batts-140mm","title":"R2.5 Bradford Gold Ceiling Batts 140mm","description":"\u003cp\u003eR2.5 Bradford Gold is a non-combustible glasswool ceiling batt, 140 mm thick. It is the entry point of the Gold ceiling range, and the one to reach for when the ceiling depth is tight or when R2.5 is genuinely all the job calls for.\u003c\/p\u003e\n\u003ch3\u003eWhich width\u003c\/h3\u003e\n\u003cp\u003eTwo options, both 1160 mm long and 16 batts to a pack: 430 mm wide covering 7.98 m², and 580 mm wide covering 10.77 m². Australian ceiling framing is normally set out at 450 mm or 600 mm centres, and the two batt widths follow that convention. Measure your actual joist spacing before ordering rather than assuming, because a batt that is too narrow leaves a gap at every joist.\u003c\/p\u003e\n\u003ch3\u003eIs R2.5 enough\u003c\/h3\u003e\n\u003cp\u003eThat depends on where the house is and what the rest of the build-up does. There is no single national ceiling R-value. \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by Australian climate zone\u003c\/a\u003e covers how the target gets set and what else changes it. If you have the ceiling depth, stepping up to \u003ca href=\"\/products\/r3-0-bradford-gold-ceiling-batts-165mm\"\u003eR3.0 at 165 mm\u003c\/a\u003e or \u003ca href=\"\/products\/r3-5-bradford-gold-ceiling-batts-185mm\"\u003eR3.5 at 185 mm\u003c\/a\u003e is usually inexpensive performance for the same labour.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the joists and butt the ends so there are no gaps, since a gap is worth more lost performance than most people expect. Do not compress the batt to make it fit a shallower space, because a bulk insulation batt only delivers its rated R-value at full thickness. Keep the clearances any downlights or flues in the ceiling require.\u003c\/p\u003e\n\u003cp\u003eThermal rating is declared to AS\/NZS 4859.1 by the manufacturer. Sizes, coverage and CSR product codes are in the table below. In Victoria, ceiling insulation may qualify for a discount under the \u003ca href=\"\/blogs\/blog\/victorian-energy-upgrades-ceiling-insulation\"\u003eVictorian Energy Upgrades program\u003c\/a\u003e.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (16 per pack, 7.98 m²)","offer_id":45351820558518,"sku":"111720","price":49.4,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (16 per pack, 10.77 m²)","offer_id":45351820591286,"sku":"111719","price":67.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-5-bradford-gold-ceiling-batts.jpg?v=1786540208"},{"product_id":"r3-0-bradford-gold-ceiling-batts-165mm","title":"R3.0 Bradford Gold Ceiling Batts 165mm","description":"\u003cp\u003eR3.0 Bradford Gold is a non-combustible glasswool ceiling batt at 165 mm thick. It sits between R2.5 and R3.5 in the Gold range and is a common step up when the ceiling has the depth for it.\u003c\/p\u003e\n\u003ch3\u003eWhich width\u003c\/h3\u003e\n\u003cp\u003eBoth widths come 16 to a pack at 1160 mm long. The 430 mm batt covers 7.98 m² per pack and the 580 mm covers 10.77 m². Ceiling joists in Australia are usually set out at 450 mm or 600 mm centres and the widths follow that, but measure yours before ordering.\u003c\/p\u003e\n\u003ch3\u003eChoosing between R-values\u003c\/h3\u003e\n\u003cp\u003eThe jump from \u003ca href=\"\/products\/r2-5-bradford-gold-ceiling-batts-140mm\"\u003eR2.5\u003c\/a\u003e to R3.0 costs 25 mm of ceiling depth and very little extra labour, which is why it is often the better buy. Above this, \u003ca href=\"\/products\/r3-5-bradford-gold-ceiling-batts-185mm\"\u003eR3.5\u003c\/a\u003e and \u003ca href=\"\/products\/r4-1-bradford-gold-ceiling-batts-215mm\"\u003eR4.1\u003c\/a\u003e keep going in the same range. Whether you need any of them depends on climate zone and the rest of the build-up, which \u003ca href=\"\/blogs\/blog\/r-value-australian-climate-zones\"\u003eR-value by Australian climate zone\u003c\/a\u003e works through.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the joists, butt the ends, and leave no gaps. Do not squash the batt into a shallower space, because bulk insulation only performs at its full rated thickness. Keep whatever clearance the downlights and flues in that ceiling require.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, with the thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Pack sizes, coverage and CSR product codes are in the table below. Working out how many packs? \u003ca href=\"\/blogs\/blog\/how-much-insulation-do-i-need\"\u003eCoverage per pack explained\u003c\/a\u003e.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (16 per pack, 7.98 m²)","offer_id":45351820624054,"sku":"15226","price":58.9,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (16 per pack, 10.77 m²)","offer_id":45351820656822,"sku":"15256","price":78.85,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r3-0-bradford-gold-ceiling-batts.jpg?v=1786540456"},{"product_id":"r3-1-bradford-soundscreen-acoustic-batts-110mm","title":"R3.1 Bradford SoundScreen Acoustic Batts 110mm","description":"\u003cp\u003eR3.1 Bradford SoundScreen is a higher density non-combustible glasswool acoustic batt at 110 mm, the deepest in the SoundScreen range.\u003c\/p\u003e\n\u003ch3\u003eWhere a 110 mm acoustic batt belongs\u003c\/h3\u003e\n\u003cp\u003eDeeper stud walls and midfloors, and rooms where the noise problem is worth solving properly: home theatres, media rooms, a bedroom against a living area, or a floor above a garage. The extra depth gives the cavity more material to absorb sound energy, and it brings the thermal figure up as a side benefit.\u003c\/p\u003e\n\u003ch3\u003eWhat Rw will I get\u003c\/h3\u003e\n\u003cp\u003eRw is a property of the whole system, not of the batt. Lining, framing, fixings and gaps all move it. Tell us the build-up and we will send the system report that matches.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSix batts per pack at 1160 mm long: 430 mm wide covering 2.99 m² and 580 mm wide covering 4.04 m². The cavity has to be at least 110 mm deep for the batt to sit at full thickness. In a 90 mm wall use the \u003ca href=\"\/products\/r2-5-bradford-soundscreen-acoustic-batts-88mm\"\u003e88 mm version\u003c\/a\u003e instead of compressing this one.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit, touching the frame on all four sides, no gaps at the top, bottom or edges.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (6 per pack, 2.99 m²)","offer_id":45351821672630,"sku":"182314","price":57.95,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (6 per pack, 4.04 m²)","offer_id":45351821705398,"sku":"182315","price":77.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r3-1-bradford-soundscreen-acoustic-batts.jpg?v=1786564869"},{"product_id":"r2-5-bradford-optimo-underfloor-batts-90mm","title":"R2.5 Bradford Optimo Underfloor Batts 90mm","description":"\u003cp\u003eR2.5 Bradford Optimo is a dense glasswool batt made specifically for suspended timber floors, at 90 mm.\u003c\/p\u003e\n\u003ch3\u003eSized narrower on purpose\u003c\/h3\u003e\n\u003cp\u003eThe two widths are 415 mm and 565 mm rather than the 430 and 580 of a wall batt. Floor joists are set out at the same nominal centres, but the batt has to sit up between them and stay there, so the fit is tuned differently. Eight batts per pack, covering 3.85 m² and 5.24 m² respectively.\u003c\/p\u003e\n\u003ch3\u003eWhat it does under a floor\u003c\/h3\u003e\n\u003cp\u003eThree things. It cuts heat loss down through the floor. It limits cold air moving up from the sub-floor, which is what people actually feel as a cold floor. And the density gives some acoustic benefit through the floor structure.\u003c\/p\u003e\n\u003ch3\u003eIt needs holding up\u003c\/h3\u003e\n\u003cp\u003eA floor batt is working against gravity, unlike a wall or ceiling batt. Friction fit gets it in place, but Optimo Saddles or Straps are what keep it there over time. Order the fixings with the batts rather than discovering the need later, and see \u003ca href=\"\/products\/bradford-optimo-sub-floor-fixings\"\u003eOptimo sub-floor fixings\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eThermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 415 mm (8 per pack, 3.85 m²)","offer_id":45351821246646,"sku":"114650","price":61.75,"currency_code":"AUD","in_stock":true},{"title":"1160 x 565 mm (8 per pack, 5.24 m²)","offer_id":45351821279414,"sku":"114692","price":81.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-5-bradford-optimo-underfloor-batts.jpg?v=1786564869"},{"product_id":"r2-7-hp-bradford-gold-wall-batts-90mm","title":"R2.7 HP Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.7 HP Bradford Gold is the highest R-value the Bradford Gold range reaches in a 90 mm stud wall. High density non-combustible glasswool.\u003c\/p\u003e\n\u003ch3\u003eThe top of what 90 mm can do\u003c\/h3\u003e\n\u003cp\u003eIf the assessment asks for more than R2.7 in a wall, the batt is no longer the variable. At that point you are looking at a deeper frame, or at adding performance outside the frame with a wall wrap or a rigid board. Getting there by compressing a thicker batt into 90 mm does not work, because a compressed batt does not hold its rating.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eFive batts per pack across four sizes: 1160 x 420 mm covering 2.44 m², 1200 x 450 mm covering 2.7 m², 1160 x 570 mm covering 3.31 m² and 1200 x 600 mm covering 3.6 m². These are small packs, so a whole house takes a lot of them. Count the wall area properly before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit against the frame on all four sides, no gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (5 per pack, 2.44 m²)","offer_id":45351821115574,"sku":"152191","price":47.5,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (5 per pack, 2.7 m²)","offer_id":45351821148342,"sku":"127780","price":51.3,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (5 per pack, 3.31 m²)","offer_id":45351821181110,"sku":"152197","price":63.65,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (5 per pack, 3.6 m²)","offer_id":45351821213878,"sku":"126512","price":68.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-7-bradford-gold-wall-batts.jpg?v=1786540541"},{"product_id":"r2-5-hp-bradford-gold-wall-batts-90mm","title":"R2.5 HP Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.5 HP Bradford Gold is a high density non-combustible glasswool wall batt that reaches R2.5 in a standard 90 mm stud. It is the usual answer when the wall has to do better than R2.0 and the frame is not changing.\u003c\/p\u003e\n\u003ch3\u003eFour sizes\u003c\/h3\u003e\n\u003cp\u003eNine batts per pack across all four: 1160 x 420 mm covering 4.38 m², 1200 x 450 mm covering 4.86 m², 1160 x 570 mm covering 5.95 m² and 1200 x 600 mm covering 6.48 m². Which one fits depends on the clear width between your studs, so measure a real cavity rather than working from nominal centres.\u003c\/p\u003e\n\u003ch3\u003eWhere it sits\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/r2-0-bradford-gold-wall-batts-90mm\"\u003eR2.0 standard\u003c\/a\u003e is the cheaper option in the same 90 mm if the assessment allows it, and \u003ca href=\"\/products\/r2-7-hp-bradford-gold-wall-batts-90mm\"\u003eR2.7 HP\u003c\/a\u003e is the next step up in the same thickness.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit against the frame on all four sides, no gaps at the top, bottom or edges. Do not compress a batt into a narrow bay, because a high density batt squashed further gives up exactly what you paid the premium for.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (9 per pack, 4.38 m²)","offer_id":45351820984502,"sku":"181430","price":47.5,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (9 per pack, 4.86 m²)","offer_id":45351821017270,"sku":"181412","price":51.3,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (9 per pack, 5.95 m²)","offer_id":45351821050038,"sku":"181471","price":63.65,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (9 per pack, 6.48 m²)","offer_id":45351821082806,"sku":"181433","price":67.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-5-bradford-gold-wall-batts.jpg?v=1786540647"},{"product_id":"r2-2-bradford-gold-wall-batts-90mm","title":"R2.2 Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.2 Bradford Gold is a 90 mm non-combustible glasswool wall batt, a small step above the standard R2.0 in the same stud depth.\u003c\/p\u003e\n\u003ch3\u003eWhere the extra 0.2 comes from\u003c\/h3\u003e\n\u003cp\u003eSame 90 mm cavity, slightly more performance. It is worth taking when the energy assessment lands just short on the wall figure and you do not want to change the frame or move to a high density batt. If you need more than this out of 90 mm, the HP range goes to \u003ca href=\"\/products\/r2-5-hp-bradford-gold-wall-batts-90mm\"\u003eR2.5\u003c\/a\u003e and \u003ca href=\"\/products\/r2-7-hp-bradford-gold-wall-batts-90mm\"\u003eR2.7\u003c\/a\u003e at the same thickness.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eTwo sizes, both 16 batts per pack at 1160 mm long: 430 mm wide covering 7.98 m² and 580 mm wide covering 10.77 m². Measure the clear width between studs before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the studs, touching the frame on all four sides. Gaps at the edges cost more performance than most people expect, and squashing a batt into a narrow bay costs more again. Cut it to fit.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (16 per pack, 7.98 m²)","offer_id":45351820918966,"sku":"170351","price":60.8,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (16 per pack, 10.77 m²)","offer_id":45351820951734,"sku":"170227","price":81.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-2-bradford-gold-wall-batts.jpg?v=1786540648"},{"product_id":"r2-5-bradford-soundscreen-acoustic-batts-88mm","title":"R2.5 Bradford SoundScreen Acoustic Batts 88mm","description":"\u003cp\u003eR2.5 Bradford SoundScreen is a higher density non-combustible glasswool acoustic batt at 88 mm, sized for a standard 90 mm stud wall.\u003c\/p\u003e\n\u003ch3\u003eThe one that fits a normal wall\u003c\/h3\u003e\n\u003cp\u003eMost internal residential walls are framed at 90 mm, which makes this the SoundScreen most people actually need. It fills the cavity properly at 88 mm, and it is denser than a thermal batt of the same thickness, which is where the acoustic performance comes from.\u003c\/p\u003e\n\u003ch3\u003eWhat Rw will I get\u003c\/h3\u003e\n\u003cp\u003eThe Rw figure belongs to the whole system, not the batt. Two walls with the same batt and different linings give different results, and a gap at an edge can undo more than the batt contributes. Send us the build-up and we will send the matching system report.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSeven batts per pack in four sizes: 1160 x 430 mm covering 3.49 m², 1200 x 450 mm covering 3.78 m², 1160 x 580 mm covering 4.71 m² and 1200 x 600 mm covering 5.04 m².\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit, touching the frame on all four sides, no gaps. Do not compress it into a narrower bay, because density achieved by squashing is not the same as the density the product was made at.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (7 per pack, 3.49 m²)","offer_id":45351821476022,"sku":"182287","price":51.3,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (7 per pack, 3.78 m²)","offer_id":45351821508790,"sku":"451622","price":55.1,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (7 per pack, 4.71 m²)","offer_id":45351821541558,"sku":"182286","price":68.4,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (7 per pack, 5.04 m²)","offer_id":45351821574326,"sku":"451623","price":73.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-5-bradford-soundscreen-acoustic-batts.jpg?v=1786564897"},{"product_id":"r2-0-bradford-soundscreen-acoustic-batts-70mm","title":"R2.0 Bradford SoundScreen Acoustic Batts 70mm","description":"\u003cp\u003eR2.0 Bradford SoundScreen is a higher density non-combustible glasswool batt at 70 mm, made for internal walls and floors where the job is stopping noise between rooms rather than heat from outside.\u003c\/p\u003e\n\u003ch3\u003eDensity is what does the acoustic work\u003c\/h3\u003e\n\u003cp\u003eSoundScreen is denser than a standard wall batt of the same thickness. That density is what absorbs sound energy inside the cavity. It also carries a thermal figure, which is useful, but it is not why you would buy it.\u003c\/p\u003e\n\u003ch3\u003eWhat Rw will I get\u003c\/h3\u003e\n\u003cp\u003eRw belongs to the whole wall or floor system, not to the batt. The lining, the framing, the fixings and any gap left at an edge all move the result, often by more than changing the batt does. Tell us the build-up and we will send the system report that matches it.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eNine batts per pack in four sizes: 1160 x 430 mm covering 4.49 m², 1200 x 450 mm covering 4.86 m², 1160 x 580 mm covering 6.05 m² and 1200 x 600 mm covering 6.48 m². Measure the clear cavity before ordering. For deeper studs, \u003ca href=\"\/products\/r2-5-bradford-soundscreen-acoustic-batts-88mm\"\u003e88 mm\u003c\/a\u003e and \u003ca href=\"\/products\/r3-1-bradford-soundscreen-acoustic-batts-110mm\"\u003e110 mm\u003c\/a\u003e versions carry the range further.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides. Gaps matter more in acoustic work than in thermal work, because sound will find any path that air can take.\u003c\/p\u003e\n\u003cp\u003eSizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (9 per pack, 4.49 m²)","offer_id":45351821344950,"sku":"182312","price":53.2,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (9 per pack, 4.86 m²)","offer_id":45351821377718,"sku":"451621","price":58.9,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (9 per pack, 6.05 m²)","offer_id":45351821410486,"sku":"182313","price":72.2,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (9 per pack, 6.48 m²)","offer_id":45351821443254,"sku":"182285","price":76.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-0-bradford-soundscreen-acoustic-batts.jpg?v=1786564897"},{"product_id":"r2-0-bradford-gold-wall-batts-90mm","title":"R2.0 Bradford Gold Wall Batts 90mm","description":"\u003cp\u003eR2.0 Bradford Gold is a 90 mm non-combustible glasswool wall batt, and the workhorse of the range. It suits a standard 90 mm stud wall in most residential work.\u003c\/p\u003e\n\u003ch3\u003eFour sizes, so measure the cavity\u003c\/h3\u003e\n\u003cp\u003e1160 x 430 mm, 22 to a pack covering 10.97 m². 1200 x 450 mm, 18 per pack covering 9.72 m². 1160 x 580 mm, 18 per pack covering 12.11 m². 1200 x 600 mm, 18 per pack covering 12.96 m². The right one depends on the clear width between your studs, not on the nominal centres, so measure an actual cavity before ordering a whole house.\u003c\/p\u003e\n\u003ch3\u003eIf R2.0 is not enough\u003c\/h3\u003e\n\u003cp\u003eA wall is different from a ceiling. You cannot add depth, because the stud sets it. To get more R-value out of the same 90 mm you need a higher density batt, which is what the HP range is for: \u003ca href=\"\/products\/r2-5-hp-bradford-gold-wall-batts-90mm\"\u003eR2.5 HP\u003c\/a\u003e and \u003ca href=\"\/products\/r2-7-hp-bradford-gold-wall-batts-90mm\"\u003eR2.7 HP\u003c\/a\u003e both fit a 90 mm stud.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit between the studs so the batt touches the frame on all four sides. No gaps at the top, bottom or edges, and no compression to make a batt fit a narrower bay. Cut it to fit instead.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 430 mm (22 per pack, 10.97 m²)","offer_id":45351820787894,"sku":"15250","price":57.0,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (18 per pack, 9.72 m²)","offer_id":45351820820662,"sku":"127777","price":50.35,"currency_code":"AUD","in_stock":true},{"title":"1160 x 580 mm (18 per pack, 12.11 m²)","offer_id":45351820853430,"sku":"15229","price":63.65,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (18 per pack, 12.96 m²)","offer_id":45351820886198,"sku":"127782","price":67.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-0-bradford-gold-wall-batts.jpg?v=1786541350"},{"product_id":"r2-0-hp-bradford-gold-wall-batts-75mm","title":"R2.0 HP Bradford Gold Wall Batts 75mm","description":"\u003cp\u003eR2.0 HP Bradford Gold is a high density non-combustible glasswool wall batt at 75 mm. HP means the glasswool is packed denser, which is how it reaches R2.0 in a 75 mm stud instead of needing 90 mm.\u003c\/p\u003e\n\u003ch3\u003eWhy density matters in a wall\u003c\/h3\u003e\n\u003cp\u003eIn a ceiling you can add depth to add R-value. In a wall you cannot, because the stud decides the cavity. The only way to lift the number without changing the frame is a denser batt, and that is the whole reason the HP range exists. If your wall is 90 mm rather than 75 mm, look at the standard \u003ca href=\"\/products\/r2-0-bradford-gold-wall-batts-90mm\"\u003eR2.0 at 90 mm\u003c\/a\u003e instead, which usually costs less for the same result.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eTwelve batts per pack in four sizes: 1160 x 420 mm covering 5.85 m², 1200 x 450 mm covering 6.48 m², 1160 x 570 mm covering 7.93 m² and 1200 x 600 mm covering 8.64 m². Measure the clear cavity width before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides, with no gaps and no compression.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (12 per pack, 5.85 m²)","offer_id":45351823573174,"sku":"152166","price":43.7,"currency_code":"AUD","in_stock":true},{"title":"1200 x 450 mm (12 per pack, 6.48 m²)","offer_id":45351823605942,"sku":"131367","price":46.55,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (12 per pack, 7.93 m²)","offer_id":45351823638710,"sku":"152192","price":57.95,"currency_code":"AUD","in_stock":true},{"title":"1200 x 600 mm (12 per pack, 8.64 m²)","offer_id":45351823671478,"sku":"131368","price":62.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-0-hp-bradford-gold-wall-batts-75mm.jpg?v=1786550469"},{"product_id":"r2-2-hp-bradford-gold-wall-batts-75mm","title":"R2.2 HP Bradford Gold Wall Batts 75mm","description":"\u003cp\u003eR2.2 HP Bradford Gold is a high density non-combustible glasswool wall batt at 75 mm. It reaches R2.2 in a 75 mm stud, which a standard density batt at that thickness cannot do.\u003c\/p\u003e\n\u003ch3\u003eWhen you would specify it\u003c\/h3\u003e\n\u003cp\u003eNarrow stud walls, usually where floor area is tight or the frame is already set. The alternative is rebuilding the wall deeper, which is rarely worth it for the difference. If your studs are 90 mm, the standard \u003ca href=\"\/products\/r2-2-bradford-gold-wall-batts-90mm\"\u003eR2.2 at 90 mm\u003c\/a\u003e covers the same figure for less.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003eSix batts per pack in two sizes at 1160 mm long: 420 mm wide covering 2.92 m² and 570 mm wide covering 3.97 m². Small packs, so count the wall area carefully before ordering.\u003c\/p\u003e\n\u003ch3\u003eOn site\u003c\/h3\u003e\n\u003cp\u003eFriction fit so the batt touches the frame on all four sides. No gaps, no compression.\u003c\/p\u003e\n\u003cp\u003eNon-combustible glasswool, thermal rating declared to AS\/NZS 4859.1 by the manufacturer. Sizes and CSR product codes are in the table below.\u003c\/p\u003e","brand":"CSR Bradford","offers":[{"title":"1160 x 420 mm (6 per pack, 2.92 m²)","offer_id":45351823737014,"sku":"152168","price":43.7,"currency_code":"AUD","in_stock":true},{"title":"1160 x 570 mm (6 per pack, 3.97 m²)","offer_id":45351823769782,"sku":"152194","price":58.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3995\/3590\/files\/r2-2-hp-bradford-gold-wall-batts-75mm.jpg?v=1786550469"}],"url":"https:\/\/awbm.com.au\/collections\/glasswool-batts.oembed","provider":"AWBM","version":"1.0","type":"link"}