How Do You Apply Roofing Felt To New Construction?
Roofing felt is a paper-like material made of organic fibers and saturated with asphalt tar. It is available for purchase in large rolls. Common classifications of roofing felt used in new construction are 15-pound and 30-pound categories. This classification refers to the thickness of the material not the weight. For new construction, the thicker material is recommended for climates that have high levels of moisture or climates of extreme cold or heat. For most regions of the United States 15-pound roofing felt works well. Measure the entire roof surface to determine the square footage. According to the International Roofing Group, a major manufacturer of roofing materials, a roll of 15-pound roofing felt covers approximately 430 square feet and a roll of 30-pound roofing felt covers approximately 200 square feet. Apply a thin even layer of asphalt roofing cement about two inches wide along the edge of the roof line. Start the first course of the roofing felt at the lowest edge of the
