Roofing Felt Thickness Mm

Anderson tecnatorch sbs torch on mineral felt capsheet is used as the final layer of the felt roofing process.

Roofing felt thickness mm.

Roofing felt s thickness is not a measurement of its depth because it is thin similar to heavy paper. Heavy duty felt design lays flat and minimizes wrinkling. Roofing felt s thickness is actually measured in pounds per square with one square equaling 100 feet of roofing material. It s available in rolls that are 8m long and 1m wide with a thickness of 4 2mm mineral or 3 8mm sand.

This felt will help prevent damage to your roof from wind driven rain and water from other sources. Of course how many rolls you need will depend on the size of the roof so ensure you measure correctly. Add an extra layer of protection between your shingles and roof deck with this 30 216 sq. Roofing felt s thickness is actually measured in pounds per square with one square equaling 100 feet of roofing material.

The most commonly used felts are 15 and 30 with weights of 8 and 20 pounds per 100 square feet respectively. 30 pound roofing felt it is not paper it s made from either fiberglass or polyester that s been bound together with asphalt costs the same per roll as 15 pound felt but there are 216 square. 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.

The most commonly used felts are 15 and 30 with weights of 8 and 20 pounds per 100 square feet respectively.