Can I have three layers of asphalt shingles on my roof? | In most cases | 2% | In some cases | 29% | Never | 64% | Not sure | 2% | | | Question: Can I have three layers of asphalt shingles on my roof? Top Answer (64% of 34 votes): Never.
Answer: Never Explanation: No only will this add to much weight to the rafters but if you should have a leak there is no way to find the leak. | Roofing Repairs 911 | Answer: Never Explanation: Not allowed by Code | Roofer Mike Inc | Answer: Never Explanation: Actually, we strongly advise against even a second layer of shingles. | Integrity Roofing Services | | ProMatcher | Answer: Never Explanation: Three layers of shingles will void your manufacturer and installer warranties. | JPS-WNC llc | Answer: In some cases Explanation: It depends on the pitch of the roof. | Park Builders Inc. | Answer: Never Explanation: Too much weight anything more than 1 layer is bad | American roofing &remodeling | | ProMatcher | Answer: Never Explanation: fire code. To much weight on the roof for the fire fighters to go on and put the fire out. It changed in 1988 by the fire marshall | Todd's Roofing & Siding |
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