Roof insulation board polyurethane or polystyrene foam - has bituminised glass fibre web coating at least on underside, outer surface of underside coating is, self-adhesive with removable cover

摘要

The roofing board consists of foam material such as polyurethane or polystyrene with a coating at least on its underside. At least the outer surface of the underside coating is self-adhesive. The coating pref. consists of bituminised glass fibre web or the like of which the outer surface consists of self-adhesive bitumen, pref. with a removable protective covering e.g. of paper. The upper side may have a similar coating but without self-adhesive outer surface.