{"id":5233,"date":"2021-11-23T17:36:15","date_gmt":"2021-11-23T17:36:15","guid":{"rendered":"https:\/\/ukslatedev.sqsite.co.uk\/?post_type=product&#038;p=5233"},"modified":"2026-02-04T15:09:04","modified_gmt":"2026-02-04T15:09:04","slug":"permavent-apex-breather-membrane-untaped","status":"publish","type":"product","link":"https:\/\/www.ukslate.com\/squpdates\/product\/permavent-apex-breather-membrane-untaped\/","title":{"rendered":"Permavent Apex Breather Membrane Untaped"},"content":{"rendered":"<p>Permavent APEX is a 3 layer breather membrane for use as a pitched roof underlay. Permanent APEX is both vapour and air permeable providing unique condensation control which eliminates the need for low or high level ventilation. Permavent APEX also provides a secondary barrier to water ingress.<\/p>\n<p>APEX has been endorsed by NHBC for use as an unsupported roof underlay in cold pitched roofs without the need to provide any ventilation at either high or low level.<\/p>\n<ul>\n<li>Air and Vapour permeable membrane<\/li>\n<li>180 g\/m<sup>2<\/sup><\/li>\n<li>Use without ventilation<\/li>\n<li>NHBC approved<\/li>\n<li>Conforms to BS5534<\/li>\n<li>LABC Certified<\/li>\n<li>3 layers membrane<\/li>\n<li>For use on any types of roofing\/walling applications<\/li>\n<li>UV stable for 3 months<\/li>\n<li>Available in 1m x 50m roll<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Permavent APEX is a 3 layer breather membrane for use as a pitched roof underlay. Permanent APEX is both vapour [&hellip;]<\/p>\n","protected":false},"featured_media":5247,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[120,119],"product_tag":[],"class_list":["post-5233","product","type-product","status-publish","has-post-thumbnail","product_cat-membranes-ventilation","product_cat-roofing-slate-tiles","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Permavent Apex Breather Membrane Untaped - UK Slate<\/title>\n<meta name=\"description\" content=\"Permavent APEX is a 3 layer breather membrane for use as a pitched roof underlay. It is both vapour and air permeable providing unique condensation control. Order today\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Permavent Apex Breather Membrane Untaped - UK Slate\" \/>\n<meta property=\"og:description\" content=\"Permavent APEX is a 3 layer breather membrane for use as a pitched roof underlay. It is both vapour and air permeable providing unique condensation control. 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