4x4®Shingle; bituminous water insulation mat with plastomeric modification, fiberglass carrier, mineral surface, sand coated underside. Roof water insulation mat which is used as the final coating at inclined roofs. Easy application, decorative appearance. Does not stick or slide during application with its sanded underside. 4x4®Shingle color choices as green, red, grey, shaded ones of these colors and customized colors. Flexible with high resistance against hot and cold. 4x4®Shingle models “Sapphire, square, round and arda” provide perfect adhesion and waterproofing with SBS modified adhesion tapes.