Do asphalt shingles require an underlayment? | | Always | 96% | | In most cases | 3% | | | | | Question: Do asphalt shingles require an underlayment? Top Answer (96% of 27 votes): Always.
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 | Answer: Always
Explanation: A synthetic underlayment is the preferred technology. | | JPS-WNC llc | | | ProMatcher | 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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