A semi-rigid, all-purpose protection and recovery board suitable for the
protection of a variety of waterproofing membranes and coatings in
underground, roofing or civil works. It is manufactured as a semi-flexible,
semi-rigid board made of a tough bituminous mix with fillers and modifiers
held under pressure between two layers of fiberglass reinforcement,
providing the board with a superior puncture resistance and low deflection
coefficient. It comes in thickness between 3mm and 6mm and as 1x2m
boards.