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The crossflow of air helps protect against foundation problems
Most models have triangle and round holes
Seals joints of metal edging gutters
It is used to waterproof seams when using PROVA Mat Membrane
Compression strength is defined as testing to the point of failure
Cobra 20 Ft. Hand-Nailed Rolled Ridge Vent Pack options:Pack of 1 The crossflow of air helpsLow profile fiber mat permits maximum airflow yet prevents water and insect infestation. 3 4" lowest profile in the industry. No fabric overwrap or filters to clog or deteriorate. Flexible, easy to handle. Conforms to roof pitches from 2 12 to 20 12. 40 year limited warranty. Includes 2 1 2 roofing nails. Cobra hand nailable ridge vent net free area 16. 9 sq. in. linear ft. Cobra gun nailable ridge vent net free area 14. 1 sq. in. linear ft. Model No
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US$ 21.00
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