Product Description:

Modified bituminous roof underlayment/roofing felt is a hybrid product created from asphalt polymer and synthetic fabric.

Characteristic:

1. Resists leaking and tearing

2. Lightweight, flexible material

3. Won't stick to metal roofing - thermal stability in excess of 260F

4. Passes 110mph wind test and 4 - hour water spray test with cap and roofing nails

5. Hybrid technology combines asphaltic polymer and synthetic fabrics or superior performance

6. Left exposed, may protect a house for up to 4 months