{"product_id":"4m-x-25m-x-500g-clear-polythene-vapour-control-layer","title":"4m x 25m x 500g Clear Polythene Vapour Control Layer","description":"\u003cp\u003eThis 500 gauge (125 micron) clear polythene vapour control layer (VCL) is designed to act as a slip membrane and moisture barrier between insulation and screed in floating floor constructions. Its clear finish allows visual inspection of the substrate beneath. Supplied in a 4 m × 25 m roll (100 m²).\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cdiv class=\"sw-benefits-grid\"\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003e500 gauge (125 micron) — durable and puncture-resistant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eClear finish allows visual inspection of the substrate\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eActs as both slip membrane and vapour control layer\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003ePrevents screed moisture migrating into insulation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eLarge roll size (100 m²) for efficient coverage\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eSuitable for use with liquid and traditional screeds\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eEasy to cut and position on site\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eLay the polythene over the insulation with a minimum 150 mm overlap at all joints. Tape overlaps with polythene tape to prevent screed ingress. Turn up at perimeters behind the edge insulation strip. Take care to avoid puncturing during installation. Trim flush with the finished floor level after the screed has cured.\u003c\/p\u003e\n\u003ch3\u003eCoverage\u003c\/h3\u003e\n\u003cp\u003eEach roll covers 100 m² (4 m × 25 m). Allow approximately 10–15% extra for overlaps and wastage depending on room layout.\u003c\/p\u003e","brand":"TEKCEM","offers":[{"title":"Default Title","offer_id":51305555001683,"sku":"SCREEDWORKS-25M-STD","price":47.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/6720\/9043\/files\/Screenshot2025-12-18at11.50.59.png?v=1766055075","url":"https:\/\/shop.screedworks.co.uk\/products\/4m-x-25m-x-500g-clear-polythene-vapour-control-layer","provider":"screedworks","version":"1.0","type":"link"}