Defender HT
Product Line: TopShield®
Product Description: TopShield® Defender HT is a self-adhesive underlayment that can be exposed to temperatures as high as 257º F (125º C)and as low as -49º F (-45º C). It is used underneath sheet metal and asphalt shingle coverings on steep-slope roofs, with accompanying plywood or OSB substrates.
Product Description
Specifications
Documentation
Product Description
TopShield® Defender HT is a self-adhesive underlayment that can be exposed to temperatures as high as 257º F (125º C)and as low as -49º F (-45º C). It is used underneath sheet metal and asphalt shingle coverings on steep-slope roofs, with accompanying plywood or OSB substrates.
Benefits & Features
Excellent resistance to temperature variations Superior slip resistance Easy installation
Specifications
| PHYSICAL INFORMATION | |
| Item Code: | TOP00623 |
| Roll Length: | 65 Ft |
| Roll Width: | 36 inch |
| Maximum Load, MD/XD: | 77 (13.5) / 46 (8.1) |
| Elongation at Break, MD/XD: | 65 / 42 |
| Tear Resistance MD/XD: | 113 (502) / 81 (360) |
| Adhesion to Plywood, 24 °C (75.2 °F): | 20.3 (9.2) |
| Water Vapor Permeance: | 0.008 (0.46) |
| Low Temperature Flexibility: | Pass at -20 °C (-29 °F) |
| Nail Sealability: | Pass |