{"product_id":"corotherm-clear-16mm-triplewall-polycarbonate-roofing-sheet-ariel-plastics","title":"Corotherm Clear 16mm Triplewall Polycarbonate Roofing Sheet - Ariel Plastics","description":"Corotherm Clear 16mm Triplewall Polycarbonate Roofing Sheet - Ariel Plastics\n\nThe Corotherm 16mm Triplewall Polycarbonate Sheet by Ariel Plastics is a durable yet lightweight solution for a wide range of roofing and glazing projects. Whether you're building a conservatory, carport, porch, or lean-to, this sheet offers long-lasting protection, thermal insulation, and a clean, modern finish.\n\nAvailable in clear, bronze, and opal finishes, it’s designed to complement a variety of styles. Easy to cut and install, it’s a versatile choice for both professionals and DIYers. With a 10-year manufacturer’s warranty, you also get peace of mind knowing your investment is protected.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\nAvailable in clear, bronze, and opal finishes\n\nLightweight and impact-resistant\n\nUV-protected for long-term performance\n\nHelps minimise condensation\n\nSelf-cleaning surface for reduced maintenance\n\nBacked by a 10-year manufacturer’s warranty\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\nThis sheet is ideal for a range of applications, including:\n\nPorches\n\nCanopies\n\nCarports\n\nConservatories\n\nLean-to roofs\n\nVertical glazing and cladding projects\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\nBefore you begin installation, make sure the UV-protected side (clearly marked on the sheet) is facing outward. This protects the material from sun damage and helps maintain performance over time.\n\nTo ensure proper drainage, install the sheets at a minimum roof pitch of 10°. The internal flutes should run vertically from the top to the bottom of the slope—not side to side—as this supports structural integrity and allows water to drain effectively. Sheets cannot be joined vertically from top to bottom.\n\nFor sealing and weatherproofing, only use low modulus neutral cure sealants and cross-linked butyl flashing tape. These materials ensure durability and prevent water ingress.\n\n\u003ch3\u003eCutting and Shaping\u003c\/h3\u003e\nCorotherm Triplewall sheets are easy to handle and won’t crack or shatter during cutting. For cuts that run parallel to the flutes, a sharp utility knife will work well. For cross cuts, a fine-toothed saw is best. If you’re shaping curves, a fine-toothed jigsaw provides the most precise results.\n\n\u003ch3\u003eThermal Expansion\u003c\/h3\u003e\nLike all polycarbonate materials, these sheets expand and contract with temperature changes. It’s important to allow for this movement during installation. Leave a small gap at the top of each sheet and drill fixing holes slightly larger than the fixings (at least 3mm extra around each hole). Avoid overtightening, as this can restrict expansion and cause damage.\n\n\u003ch3\u003eCleaning and Maintenance\u003c\/h3\u003e\nKeeping your Corotherm sheet clean is simple. Use lukewarm, soapy water and a soft cloth or sponge to remove dirt. Never use abrasive materials, harsh brushes, or high-alkaline cleaners, as they may scratch or damage the surface. The UV protection also helps repel dirt, reducing how often cleaning is needed.\n\n\u003ch3\u003e10-Year Warranty\u003c\/h3\u003e\nCorotherm 16mm Triplewall Sheets come with a 10-year warranty covering manufacturing defects under normal weather conditions. If a fault appears due to a production issue within this time frame, a free replacement will be provided.\n\nPlease note that the warranty is only valid if the sheets are installed and maintained according to the manufacturer’s guidelines. The warranty does not cover reinstallation costs or any damage resulting from incorrect installation.\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003e1. Is the 16mm Triplewall Corotherm suitable for roofing?\u003c\/h4\u003e Yes, absolutely. The Corotherm 16mm Triplewall sheet is specifically designed for both roofing and vertical glazing. It’s ideal for projects like porches, carports, conservatories, and more, offering a balance of strength, light transmission, and insulation. \u003ch4\u003e2. How should the sheet be installed to allow proper water drainage?\u003c\/h4\u003e To ensure water drains effectively, the sheet should be installed at a minimum slope of 10°. The flutes must run vertically—from the top of the slope to the bottom. This setup ensures proper drainage and structural support. \u003ch4\u003e3. How do I maintain the sheet to ensure the warranty remains valid?\u003c\/h4\u003e To keep your warranty valid, follow the manufacturer’s installation instructions closely. Use only the recommended sealants and fixings, and avoid overtightening. For cleaning, stick to mild soapy water and soft cloths—avoid abrasive cleaners or tools.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/roofing-supplies\"\u003eroofing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/polycarbonate-roof-sheets\"\u003ecorotherm roof sheets\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Ariel Plastics","offers":[{"title":"Clear \/ 2000mm x 1050mm","offer_id":50804921631062,"sku":"118513","price":50.89,"currency_code":"GBP","in_stock":true},{"title":"Clear \/ 2000mm x 1220mm","offer_id":50804921663830,"sku":"118518","price":59.12,"currency_code":"GBP","in_stock":true},{"title":"Clear \/ 2000mm x 1600mm","offer_id":50804921696598,"sku":"118523","price":77.54,"currency_code":"GBP","in_stock":true},{"title":"Clear \/ 2000mm x 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