Would you recommend installing an asphalt roof over two existing layers of shingles? | | Yes | 2% | | In some cases | 11% | | Never | 82% | | Not Sure | 2% | | | | | Question: Would you recommend installing an asphalt roof over two existing layers of shingles? Top Answer (82% of 35 votes): Never.
Answer: Never
Explanation: Not allowed by the Building Code | | Sharp Roofing | Answer: Never
Explanation: NO NO and NO | | JPS-WNC llc | Answer: Never
Explanation: Code does not allow more than two layers. | | J. Edmund Construction | | | ProMatcher | Answer: Yes
Explanation: Yes okay | | HAMMER & SONS CONSTRUCTION | Answer: Never
Explanation: We will not do this as when you read the fine print there is no shingle manufacturer warranty, and from an install stand point we are unable to change out flashings, install ice and water shield, and replace any bad wood when a "go over" is done. We strongly suggest against this | | American roofing &remodeling |
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