Do asphalt shingles require an underlayment? | | Always | 96% | | In most cases | 3% | | | | | Question: Do asphalt shingles require an underlayment? Top Answer (96% of 28 votes): Always.
Answer: Always
Explanation: Asphalt shingles require an underlayment because it provides an important secondary layer of protection beneath the roofing system. Underlayment helps prevent water infiltration if moisture gets under the shingles and also protects the roof deck during installation and in severe weather conditions.
Most building codes and manufacturer installation guidelines require underlayment for asphalt shingle roofs to ensure proper performance, durability, and warranty compliance. | | Mendoza Construction | Answer: Always
Explanation: U always lay underlayment before you start laying ahingles | | Srp inc. | Answer: Always
Explanation: Always, it follows manufacturer's specifications and warranty. We have seen the trend of skipping underlayment but this will only void the manufacturer's warranty. | | Top Shield Roofing | | | ProMatcher | Answer: Always
Explanation: Always in a new installation. | | Park Builders Inc. | Answer: Always
Explanation: Ice and water shield and felt are ICC code | | American roofing &remodeling | Answer: Always
Explanation: Tarpaper iceguard starterstrip | | HAMMER & SONS CONSTRUCTION |
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