TRI-PLY ® APP Granule Membrane (Formerly Tri-Ply® TP-4G) Description Tri-Ply® APP Granule Membrane is a granule-surfaced modified bitumen membrane manufactured to stringent GAF specifications. Its core is a strong, resilient, non-woven polyester mat that is coated with weather-resistant APP polymer-modified asphalt. Advantages (Continued) • Resilient... polyester mat core allows it to resist splits and tears due to its pliability and elongation characteristics. • Durable...
