Vistalux 8/3 Iron Corrugated PVC Roof Sheets Heavy Duty - 1.83m x 0.66m Properties Length: 1.83m. Width: 660mm. Cover width: 608mm. Thickness: 1.1mm. Profile: 8/3 corrugated iron. Colour: clear. Light transmission: 66%. uValue: 5.67 W/m2K. Fire performance: Class 1. Service temperature range: -20C to 60C. Fixing requirements Divide the roof width by the fixing centres. Divide the roof length by the support centres and add 1. Multiply these two values together. Warranty This product is covered by a 10 year warranty. A replacement is provided free of charge if the product has failed due to a manufacturing defect, in normal climatic conditions within a 10 year period from the date of purchase. Vistalux MUST be fixed and maintained in accordance with the manufacturer's instructions for the warranty to remain valid: re-erections or consequential damage costs are not included. Storage Storage indoors on a flat and dry surface in cool surroundings is preferable. When outdoor storage is unavoidable, store flat on wooden bearers, spaced at about 1m (3' 3") centres and cover completely with an opaque light coloured tarpaulin. Stacked sheets left uncovered in direct sunlight will distort due to solar heat gain in the stack. Material uses Porches.    Car ports. Canopies. Rooflights. Cloches and coldframes. Planthouses. Side cladding. Covered walkways. Garden sheds. Lean to extensions. Key Properties Ideal PVC sheet for roofing and cladding, qualities include: Fine optical clarity: visually attractive sheet which will enhance the appearance of your property.    Provides 3 times more natural light into a building than the same area of vertical glazing: creating a bright pleasant environment in the area beneath. Excellent fire performance: PVC is a self extinguishing material which will melt away from the flames stopping as soon as the source is removed. Strong yet light in weight. Simple to handle and install. Good workability: cutting and drilling the material are straightforward procedures requiring only the most basic of tools.