American Saturated Felt Non Rated Felt is made of a uniform flexible felt of organic fibers, impregnated with an asphalt saturant. Prevents moisture from infiltrating your roofing system and contacting the wood roof deck. As a result of the natural material, the product will repel water while still being breathable. Specifications Color: Black Weights available: 15 pounds,30 pounds #30 Dimensions: 36 Inch wide, 216 Square Feet #15 Dimensions: 36 Inch wide, 432 Square Feet