{"product_id":"3mm-membrane-clear-cavity-drainage-membrane-biokil-crown","title":"3mm Membrane Clear - Cavity Drainage Membrane -  Biokil Crown","description":"\u003ch3\u003eTransparent Cavity Drainage Membrane for Internal Damp-Proofing and Waterproofing\u003c\/h3\u003e\n\n\u003cp\u003e\n  The Biokil Crown 3mm Membrane – Clear is a high-quality, studded cavity drainage membrane designed for internal walls and floors in damp-proofing and waterproofing applications. Its clear finish allows for easy visual inspection of substrate conditions behind the membrane, making it especially useful in refurbishment and conservation projects. Compatible with standard fixing plugs and sealing accessories, it offers a reliable barrier against moisture ingress while maintaining substrate visibility.\n\u003c\/p\u003e\n\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransparent Design:\u003c\/strong\u003e Clear membrane allows substrate visibility for inspection and detailing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Profile Thickness:\u003c\/strong\u003e 3mm stud height provides effective moisture management in tight or confined spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable HDPE Construction:\u003c\/strong\u003e Manufactured from high-density polyethylene for strength and chemical resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Application:\u003c\/strong\u003e Suitable for walls, floors, and vaulted areas in basements and ground floors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with Fixings:\u003c\/strong\u003e Works with standard cavity drainage plugs and sealing accessories for a watertight system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Details\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Density Polyethylene (HDPE)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 3mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStud Height:\u003c\/strong\u003e Approx. 3mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Clear \/ Transparent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSheet Size:\u003c\/strong\u003e Typically available in rolls (check size options)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e BCM3CLR\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eApplication Instructions\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Preparation:\u003c\/strong\u003e Ensure the substrate is stable and free from sharp projections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCut to Fit:\u003c\/strong\u003e Trim the membrane to suit the installation area using a utility knife or shears.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFixing:\u003c\/strong\u003e Use appropriate cavity drainage plugs (e.g., Biokil Crown Brick Plugs or Newton MultiPlugs) to secure the membrane to the wall or floor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSealing:\u003c\/strong\u003e Overlap adjacent sheets by at least one stud and seal joints with membrane tape for continuity.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eLimitations\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eNot intended for use as a standalone waterproofing system without drainage or sealing accessories.\u003c\/li\u003e\n  \u003cli\u003eShould not be used on surfaces with active water ingress without appropriate drainage design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eHealth \u0026amp; Safety\u003c\/h4\u003e\n\u003cp\u003e\n  Always wear suitable PPE during handling and installation. Refer to the Safety Data Sheet (SDS) for detailed safety and handling guidelines.\n\u003c\/p\u003e\n","brand":"DIY Refurb","offers":[{"title":"2m X 20m (40sqm)","offer_id":53341488480594,"sku":"CDM3220C","price":170.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1060\/4006\/6386\/files\/3mm_Membrane_CLEAR.png?v=1777965784","url":"https:\/\/glazingsuppliesdirect.com\/products\/3mm-membrane-clear-cavity-drainage-membrane-biokil-crown","provider":"Glazing Supplies Direct","version":"1.0","type":"link"}