BTM Shingle Galaxy Retro is a self-adhesive fibreglass-reinforced roof covering and waterproofing membrane made of oxidated bitumen, which is coated with sand on the lower surface and by coloured mineral granules on the upper surface.
BTM Shingle Galaxy Retro is a self-adhesive fibreglass-reinforced roof covering and waterproofing membrane made of oxidated bitumen, which is coated with sand on the lower surface and by coloured mineral granules on the upper surface.