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Modified Bituminous Underlayment is a hybrid product created from asphaltic polymer and synthetic fabrics. Combining the best of both products, Modified Bituminous Underlayment boasts a lightweight material that is easy to carry, easy to install, good waterproof performance.
Charateristic
Resists leaking and tearing
Resistance to slipping provides a safer installation
Lightweight, flexible material
Will not wrinkle or blow in the wind during installation
Wont stick to metal roofing-thermal stability in excess of 260F
Passes 110mph wind test and 4-hour water spray test with cap and roofing nails
Hybrid technology combines asphaltic polymer and synthetic fabrics or superior performance
property | value |
length | 145ft |
width | 3.1ft |
weight | ≥50lbs |
Tensile strength N/200mm | CD≥300N |
MD≥300N | |
Tensile tear strength | CD≥1500gf |
MD≥1500gf | |
Low temperature flexibility | ≤23F |
heat resistance | ≥185F |
Hybrid waterproof roofing underlayment