modifiedPLUS® HDgT4 Heavy Duty Cap Sheet is used as the top ply in a two-ply roofing system and as a flashing membrane for modified bitumen roofing, conventional built-up roofing and as a maintenance repair material. The product incorporates a high tensile composite reinforced mat, providing it with improved mechanical properties compared to traditional products. HDgT4 has a thermofusible poly lower surface for torching to modifiedPLUS® substrates

Features
•Heavy duty composition provides greater physical properties
•Excellent puncture resistance and tear strength
•SBS polymer provides flow resistance at high temperatures and flexibility at low temperatures for lasting durability
•Factory applied surface granules to enhance ultra-violet resistance and surface durability
•Compatible with a variety of Henry’s base sheet products, providing a variety of installation configurations