Products / SikaShield HB79 MGF 4 mm

SikaShield HB79 MGF 4 mm is a 160 mil (4.0 mm) two-layer modified bituminous cap sheet with an APAO-modified upper layer and an SBS-modified under layer, reinforced with a fiberglass mat between two non-woven polyester fabrics, with a mineral-granule top surface and a non-woven polypropylene fabric underside. It is used on flat or sloped roofs up to 15 percent gradient, in 39.4 in by 32.8 ft rolls. Its data sheet states it meets ASTM D6163 Type I Grade G, lists UL, FM Global and CRRC, prints a Class A UL 790 external fire result, and reports an FM Global hail result of class SH.