A tough lightweight corrugated roofing material manufactured from bitumen saturated organic fibres under intense pressure and heat, available in four colours: black, red, green and brown. sheet thickness: 3mm corrugation width: 95mm corrugation height: 38mm weight of material: 3.3kg/m2 weight per sheet: 6.4kg sheet cover width: 855mm Material Uses Sheds Garages Stables Agricultural Buildings Key Properties Economical and resilient: tough and long lasting Easy to cut, shape and fix Does not rust, rot or become brittle Environmentally friendly: free from asbestos and non-toxic a 'green' roofing option Waterproof: guaranteed waterproof for 15 years* Strong yet light in weight Compatible with most commercially available construction materials Good workability: simple to fix using nails, caps and washers Excellent heat insulation Good sound absorption Colour fast BBA certification ONDULINE Thermal Properties      U Value W/m2K 4.4 *Onduline 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.