{"title":"Cavity Closers","description":"\u003cp\u003ePerforated anodised aluminium closers for ventilated wall cavities. Five Cavity Closer sizes for the base of the wall, plus the Wall-Top Closer P20 for under the eave. Sold per 2.4m length, inc GST.\u003c\/p\u003e","products":[{"product_id":"cavity-closer","title":"Cavity Closer","description":"\u003ch2\u003eLet your walls breathe again\u003c\/h2\u003e\n\u003cp\u003eThe Performance Membranes Cavity Closer is a perforated, anodised aluminium profile that closes a ventilated wall cavity. It keeps embers, pests and debris out while letting the cavity drain and dry, so the wall behind your cladding performs the way it was designed to.\u003c\/p\u003e\n\u003cp\u003eSelect a profile above. Five Cavity Closer sizes suit common batten build-ups at the base of the wall, and the Wall-Top P20 closes the top of the cavity under the eave lining.\u003c\/p\u003e\n\u003ch3\u003eEmber and pest defence\u003c\/h3\u003e\n\u003cp\u003e2mm perforations stop embers and pests at the cavity opening. Suitable for bushfire-prone areas from BAL-Low to BAL-40, with ember screening in line with AS 3959:2018.\u003c\/p\u003e\n\u003ch3\u003eVentilated by design\u003c\/h3\u003e\n\u003cp\u003e40% open area keeps air moving through the cavity, supporting cavity drying in line with NCC 2025 condensation management.\u003c\/p\u003e\n\u003ch3\u003eFaster, cleaner installs\u003c\/h3\u003e\n\u003cp\u003ePre-formed from 1.6mm aluminium in 2.4m lengths. Base profiles fix to the bottom plate over the membrane; the Wall-Top fixes over the battens under the eave lining. No site folding or mesh fiddling.\u003c\/p\u003e\n\u003ch2\u003eWhich profile do I need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003cth\u003eDimensions (mm)\u003c\/th\u003e\n\u003cth\u003eSuits\u003c\/th\u003e\n\u003cth\u003eDatasheet\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003ctd\u003e12 base, 50 back leg, 17 front lip\u003c\/td\u003e\n\u003ctd\u003e12mm vertical battens\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-12-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e20 base, 50 back leg, 20 front lip\u003c\/td\u003e\n\u003ctd\u003e20mm vertical battens\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-20-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003ctd\u003e35 base, 50 back leg, 20 front lip\u003c\/td\u003e\n\u003ctd\u003e35mm vertical battens\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-35-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003ctd\u003e55 base, 70 back leg, 20 front lip\u003c\/td\u003e\n\u003ctd\u003e35mm horizontal + 20mm vertical battens\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-55-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70mm\u003c\/td\u003e\n\u003ctd\u003e70 base, 70 back leg, 20 front lip\u003c\/td\u003e\n\u003ctd\u003e35mm horizontal + 35mm vertical battens\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-70-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall-Top P20\u003c\/td\u003e\n\u003ctd\u003e20 top flange, 20 step, 50 leg\u003c\/td\u003e\n\u003ctd\u003eTop of the wall, fixed over the battens under the eave lining\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Wall-Top-Closer-P20-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWall-Top Closer P20\u003c\/h3\u003e\n\u003cp\u003eThe Wall-Top P20 is a stepped profile that finishes the ventilated cavity at the top of the wall the same way the base profiles finish it at the bottom. It fixes over the battens under the eave lining: embers and pests stay out, air keeps moving.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1.6mm anodised aluminium\u003c\/li\u003e\n\u003cli\u003e2mm perforations, 40% open area\u003c\/li\u003e\n\u003cli\u003e2.4m lengths\u003c\/li\u003e\n\u003cli\u003eTolerance up to ±2mm\u003c\/li\u003e\n\u003cli\u003eSuitable for bushfire-prone areas from BAL-Low to BAL-40\u003c\/li\u003e\n\u003cli\u003eEmber screening in line with AS 3959:2018\u003c\/li\u003e\n\u003cli\u003eSupports cavity drying in line with NCC 2025 condensation management\u003c\/li\u003e\n\u003cli\u003ePre-formed internal and external corners available. Call us on 0477 553 302 to order corners.\u003c\/li\u003e\n\u003cli\u003eMade in Australia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eWatch the install video: \u003ca href=\"https:\/\/youtu.be\/5OvzfTlaukk\" target=\"_blank\" rel=\"noopener\"\u003eyoutu.be\/5OvzfTlaukk\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eDatasheets\u003c\/h3\u003e\n\u003cp\u003eEach datasheet has the profile section with dimensions, the install detail and the bushfire rating. All of them, plus Revit families, are on the \u003ca href=\"\/pages\/resources\"\u003eResources page\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-12-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCavity Closer 12 datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-20-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCavity Closer 20 datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-35-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCavity Closer 35 datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-55-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCavity Closer 55 datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Cavity-Closer-70-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCavity Closer 70 datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/PMA-Wall-Top-Closer-P20-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWall-Top Closer P20 datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCustom shapes\u003c\/h2\u003e\n\u003cp\u003eNeed a profile that isn't a standard size? \u003ca href=\"\/pages\/custom-orders\"\u003eDownload the custom order form\u003c\/a\u003e, draw the profile with its dimensions, and email it back for a price and lead time.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePerformance Membranes products are designed to assist in achieving compliance with relevant Australian Standards when installed in accordance with manufacturer guidelines. Always consult a qualified building professional for project-specific design and certification.\u003c\/em\u003e\u003c\/p\u003e","brand":"Performance Membranes","offers":[{"title":"12mm","offer_id":67675441168578,"sku":"PMACC12","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"20mm","offer_id":67675441201346,"sku":"PMACC20","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"35mm","offer_id":67675441234114,"sku":"PMACC35","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"55mm","offer_id":67675441266882,"sku":"PMACC55","price":66.0,"currency_code":"AUD","in_stock":true},{"title":"70mm","offer_id":67675441299650,"sku":"PMACC70","price":66.0,"currency_code":"AUD","in_stock":true},{"title":"Wall-Top P20","offer_id":67765243019458,"sku":"PMAWTP20","price":60.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/7061\/6258\/files\/product-shot-group-transparent_5c355538-d599-40d3-9a07-e985752aaac1.png?v=1791347226"}],"url":"https:\/\/cavitycloser.com.au\/collections\/cavity-closers.oembed","provider":"Performance Membranes","version":"1.0","type":"link"}