15# Felt Roof Underlayment 432 Square Feet
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* Estimated stock levels as of Mon, Dec 4, 2023. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
- Organic felt
G.A.P® Roofing Underlayment is formulated with a waterproof asphalt-saturated, organic felt. This product should be applied over the roofing deck prior to installing asphalt shingles. G.A.P® Roofing Underlayment prevents water seepage from occurring. (Not ASTM rated.)