{"product_id":"rust-oleum-mathys-dacfill-hz-flat-roof-waterproofing-20kg-kit","title":"Rust-Oleum Mathys Dacfill HZ Flat Roof Waterproofing 20kg Kit","description":"\u003cp\u003e\u003cstrong\u003eMathys Dacfill HZ is a quick-drying, water-based liquid membrane for horizontal roofs, supplied as a complete 20 kg kit (19.2 kg base with 0.8 kg activator).\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eQuick drying, 100% watertight coating\u003c\/li\u003e\n\u003cli\u003eResistant to UV radiation, acid rain, heat, frost and pollution\u003c\/li\u003e\n\u003cli\u003eSeamless elastic finish; abrasion resistant, rubber-like coat\u003c\/li\u003e\n\u003cli\u003eNon-flammable and self-extinguishing\u003c\/li\u003e\n\u003cli\u003eSuited to situations needing quick water resistance or recoatability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere to use it\u003c\/h2\u003e\u003cp\u003eWaterproofing protection of flat roofs. Dacfill mesh must be used on every roof with a slope below 5%, where water may stand, or where substrate movement is expected. Do not apply on TPOs (thermoplastic olefins).\u003c\/p\u003e\u003ch2\u003eTechnical details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMixing ratio base : activator 19.2 : 0.8 by weight (kit supplied matched); stir mechanically and use the same day; pot life 18 hours\u003c\/li\u003e\n\u003cli\u003eTwo coats of 1–1.5 kg\/m² each: first coat by roller to fix the Dacfill mesh (overlaps at least 5 cm), second coat by roller or airless once dry\u003c\/li\u003e\n\u003cli\u003eTouch dry and handle 1.5 hours; recoat 12 hours; fully cured 1 week (20°C)\u003c\/li\u003e\n\u003cli\u003eBrush, long-nap roller or airless (nozzle 18–23, 220 bar); do not dilute\u003c\/li\u003e\n\u003cli\u003eApply in dry weather with some air movement or sun, above 5°C and below 85% humidity\u003c\/li\u003e\n\u003cli\u003eMatt finish; VOC 55 g\/l; cleans up with water\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePreparation\u003c\/h2\u003e\u003cp\u003eClean and dry the substrate, free from flakes, gravel, dust and dirt. Fill joints with Elastofill and bridge active cracks with Dacfill bridging mesh. Prime porous concrete, hard PVC and polyester with Primer 44HS; very smooth concrete with Noxyde diluted 25% with water; iron and steel with undiluted Noxyde. Zinc, galvanised steel, copper, lead and aluminium can be coated after degreasing and light sanding.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.rust-oleum.eu\/static\/datasheet_dacfill_hz_en_gb.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload the official Dacfill HZ technical data sheet (PDF)\u003c\/a\u003e. Read the safety data sheet and the pack label before use.\u003c\/p\u003e","brand":"RUSTOLEUM","offers":[{"title":"RAL 7040 Window Grey","offer_id":57503526682999,"sku":"361.7040.19.2+361.V.0.8","price":215.49,"currency_code":"GBP","in_stock":true},{"title":"RAL 7043 Traffic Grey B","offer_id":57503526715767,"sku":"361.7043.19.2+361.V.0.8","price":215.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/2085\/9363\/files\/rust-oleum-mathys-dacfill-hz-kit.jpg?v=1790796727","url":"https:\/\/www.paintersparadise.co.uk\/products\/rust-oleum-mathys-dacfill-hz-flat-roof-waterproofing-20kg-kit","provider":"Painters Paradise","version":"1.0","type":"link"}