GT550 Outer-Wrap Product Description of GT550 Outer-Wrap GT550 Outer-Wrap is bitumen-impregnated non-woven glass fiber reinforced fabric which is impregnated with bitumen enamel to ensure optimum protection of the fibers and to facilitate bleed-through of the enamel. The product is manufactured to an exact degree of porosity which promotes effective adhesive between outer-wrap and enamel. GT550 comprises […]
