- -Great tensile strength
-Sand on both sides
-Applied with hot roofing asphalt (Rubberized bitumen)
High Tensile Roofing Felt The SJ-FT Series Description: High Tensile, stretchy roofing felt with polyester reinforcement Reinforcement: Non-woven spunbond polyester Features: --- Great tensile strength --- Sand on both sides --- Applied with hot roofing asphalt (Rubberized bitumen), which provides an additional layer of waterproofing protection. * Technical characteristics can be customized.