Do asphalt shingles require an underlayment? | Always | 96% | In most cases | 4% | | | Question: Do asphalt shingles require an underlayment? Top Answer (96% of 25 votes): Always.
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 | Answer: Always Explanation: Always in a new installation. | Park Builders Inc. | | ProMatcher | Answer: Always Explanation: Tarpaper iceguard starterstrip | HAMMER & SONS CONSTRUCTION |
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