“GAF MATERIALS” SHINGLE UNDERLAYMENT
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- Smooth, film surface link barrier with special adhesive for one-time repositioning, but aggressively adheres over time
- Unique film surface pattern improves footing even in hot weather
- Split back release film peels off in layers for faster installation and greater homeowner value
- Design to withstand high metal roof temperatures and will not melt or flow
- High temperature compound is suitable for most metal roof applications
- Fiberglass reinforcement helps resist wrinkling and buckling
- Self seals around nails or metal roofing fasteners
- Lays flatter under shingles
- Roll – 200 square feet
- Size – 3′ x 66.8′
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