{"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","url":"https:\/\/awbm.com.au\/products\/r3-5-bradford-gold-ceiling-batts-185mm","provider":"AWBM","version":"1.0","type":"link"}