Advanced Roofing Solutions, incorporating TopSeal system, is a wet laid, GRP laminate made from cold applied, preaccelerated, unsaturated polyester resin solution in styrene reinforced with emulsion bound chopped strand mat. Finished with a pigmented polyster topcoat and cured with peroxide catalyst to give a monolithic, fully bonded GRP layer of either 450gm or 600gm glass content. What a mouthful.

In other words - Advanced Roofing Solutions, incorporating TopSeal system, is a layer of GRP laid to a prepared deck to form a waterproof layer that will last & last & last !