Henry HERF200916
A SBS modified bitumen high temperature roofing underlayment reinforced with a textured skid-resistant polyethylene film specifically designed to be self-adhered on sloped roof surfaces as secondary seal under shingles or tile, self-seals when penetrated by mechanical fasteners or roofing nails prevents lateral moisture migration; provides premium anti-resistant textured blue film surface for applicator safety provides split release backing for fast application meets ASTM D1970 standard and is ICC listed.
California residents see Prop 65 WARNINGS
- Fiberglass reinforcement helps resist wrinkling and buckling lays flatter under shingles
- Special adhesive allows for one-time repositioning, but aggressively adheres over time
- Dual-sided selvedge and split-back release film speed installation for greater home owner value
- 1.5 and 2 square roll sizes
- Can be left exposed for up to 60 days if necessary