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0095 Ridging and Fish Mouths on Flat Roofs - Flat Roofing - Built up Roofing
 
0095 Ridging and Fish Mouths on Flat Roofs - Flat Roofing - Built up Roofing -

Image Text: Roofing felt > ridges and wrinkles may be due to excess asphalt moisture, felt slippage or differential thermal expansion > fish mouths are open at the edge of the felt ply potentially allowing direct water access

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Image courtesy of Carson Dunlop. To purchase images, go to CarsonDunlop

ROOFING, Steep Roofing , General, Asphalt Shingles, Wood Shingles and Shakes, Slate , Clay, Concrete and Fiber Cement, Metal, Roll Roofing, Steep Roof Flashings, Valley Flashings, Chimney Flashings, Plumbing Stack Flashings, Roof/Wall Flashings, Hip and Ridge Flashings, Skylights, Solariums, Drip Edge Flashings, Dormer Flashing, Flat Roofing, General , Built-Up Roofing (Tar and Gravel), Modified Bitumen, Synthetic Rubber (Elastomeric, EPDM), Plastic Roofing (PVC, Thermoplastic), Roll Roofing, Flat Roof Flashings

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