Do I need an approved underlayment under my shingles?
Yes. Affordable Remodelers requires the use of an approved underlayment with all our shingle product applications. Felt provides several functions. Although not water proof, felt is water resistant and acts as a secondary protection against wind driven rain. Felt also protects the shingles from resins from roof decking materials, and felt is a required component in meeting Class A or Class C fire ratings.
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