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Felt description united 15 lb.
Thickness of 15 lb roofing felt. In fact 15 mats can weigh from 7 5 to 12 5 pounds sq depending on the manufacturer and the standard to which felt is made i e cgsb astm d227 standard specification for coal tar saturated organic felt used in roofing and waterproofing astm d4990 standard specification for coal tar glass felt used in roofing and waterproofing or none. Roofing paper thickness roofing felt s thickness is not a measurement of its depth because it is thin similar to heavy paper. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights. Roofing felt s thickness is actually measured in pounds per square with one square equaling 100 feet of roofing material.
Felt is also available in 30 lb. One roofing square and 30 lb felt paper weighed 30 pounds per square. Felt paper is commonly produced with a certain number of recycled products and coated with asphalt. No 15 perforated felt is designed for use as an interply felt for hot asphalt applied organic built up roofing systems.
Preparation sweep roof deck to remove. The most commonly used felts are 15 and 30 with weights of 8 and 20 pounds per 100 square feet respectively. 15 felt is about 030 and 30 felt is about 062. It is suitable for use in the construction of various types of membranes for both new construction and reroofing over a variety of.
15 lb refers to the thickness of the paper. The difference between 15 lb and 30 lb roofing felt paper. No 15 perforated felt asphalt saturated perforated organic roofing felt product use. A shingle underlayment is used to protect roof structures and the interior from water penetration.
15 lb felt paper weighed 15 pounds per 100 sq. The best weight for roofing felt is the 30 pound product because it provides thicker and. Historically roofing felt paper was named for weight. How much is 15 pounds of felt paper for roof.
Today 15 felt can weigh 7 5 to 12 5 pounds per square while 30 felt can weigh between 16 and 27 pounds per square. Felt is an asphalt saturated organic felts designed for use as an underlayment with asphalt shingles in commercial and residential applications.
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Felt is an asphalt saturated organic felts designed for use as an underlayment with asphalt shingles in commercial and residential applications. Today 15 felt can weigh 7 5 to 12 5 pounds per square while 30 felt can weigh between 16 and 27 pounds per square. How much is 15 pounds of felt paper for roof.
