{"product_id":"ultraperm-max-underlay-155gsm-all-sizes","title":"UltraPerm Max 155gsm Roof \u0026 Wall Breather Membrane \/ Underlay - All Sizes","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003ePowerlon UltraPerm is a high performance underlay for all roof types and walls in timber frame structures. UltraPerm membranes can be used on warm and cold, supported and unsupported, ventilated and unventilated roofs. Ultra Perm is a non woven composite membrane with exceptional water vapour transmission, hydrophobic characteristics and good UV stability.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUltraPerm Max 155gsm  \u003c\/li\u003e \u003cli\u003eEconomy breather membrane \/ roof underlay\u003c\/li\u003e \u003cli\u003eBBA certified for roof \u0026amp; wall applications\u003c\/li\u003e \u003cli\u003eCE certificate\u003c\/li\u003e \u003cli\u003eSuitable for all pitched roof designs including un\/ventilated, warm and cold, un\/supported\u003c\/li\u003e \u003c\/ul\u003e","brand":"Powerlon","offers":[{"title":"1.5m x 50m (75m2)","offer_id":54945934442835,"sku":"WLNU 1550G","price":85.0,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/progradewarehouse.com\/products\/ultraperm-max-underlay-155gsm-all-sizes","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}