1. Also, two manufacturers of fiberglass shingles produced defective shingles some years ago and they failed prematurely, resulting in class-action suits against them. 2. A. Certainteed is a reputable company, and fiberglass shingles are OK to use. 3. Fiberglass shingles have a fiberglass core covered with asphalt. 4. Fiberglass shingles are state-of-the-art products, and widely available with good warrantees. 5. Fiberglass shingles have a core of fiberglass, also covered with asphalt and stones. 6. He said fiberglass shingles are treated with a sealing agent that helps keeps shingles from flying off in a high wind. 7. I am replacing my roof, and the roofer suggested using Certainteed fiberglass shingles. 8. I received several suggestions, including fiberglass shingles and hand nailing. 9. I am sure their current fiberglass shingles are OK. 10. Q. We have fiberglass shingles on our roof that are still in pretty good condition. |
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