Roofing Felt (Aluminum covered) Consist of a polyester fleece, impregnated by oxidized bitumen .The exterior side is covered by an aluminum layer and the inner side by nylon ,the aluminum layer reflexes more than 85% of heat and protects the main layer of the roofing felt against ultraviolet ray. This product is a very good cover for buildings roof . Roofing Insulation (Normal Isogum) Consists of a polyester fleece and a fiberglass tissue layer, which are impregnated by bitumen The exterior side is covered by mineral powder and the inner side by nylon. It is suitable to insulate roofs, kitchen, floors, baths, building foundations, swimming pools and cisterns.