Henry Eaveguard Self-Adhered Shingle Underlayment is specifically designed to provide secondary waterproofing protection to shingles as well as prevent ice damage. It is composed of high-tack rubberized asphalt and glass fiber mat. Sand on the upper surface provides a slip-resistant working surface. Additionally, the lower surface has a split-release silicone release backing for ease of application.
Highlights:
- 195 square feet
- 3ft x 65ft
- Boxed
- ICC listed
- Limited warranty
- Meets ASTM D1970 STD
- Sand surfaced for slip resistance
- fully adhered system prevents lateral moisture migration
- Self-sealing when penetrated by mechanical fasteners or roofing nails
- UL classified Class A fire classification under fiberglass, shingles and Class C under organic felt shingles (ASTM E108/UL 790)
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