Roofing Felt Weught

Some roofing felts are actually glued down.

Roofing felt weught.

Roofing felt is rated based on the weight of a 100 square foot section with 15 and 30 pound felt being the most common. You can return to viewing our roofing products by clicking on the below titles. The standard types of felt are 15 and the more waterproof 30. The weight of roofing constructions above the truss rafter may be estimated with the calculator below.

However that direct correlation to weight no longer exists. These applications are ideal for flat roofs or protective surfaces under roof level decks. Roofing calculator before laying down the roof pitch the space it will cover otherwise known as the roofing square needs to be measured. Felt tar and slag roofing 4 ply 4 8 lb m ft 2 23 4 kg m 2 felt tar and slag roofing 5 ply 5 3 lb m ft 2 25 9 kg m 2.

None asphalt roll roofing. The numbers ihad a correlation to the weight not the thickness. Please contact us if you have any queries by clicking here. A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof.

Use our table below to compare membrane thickness and weight for our range of flat roofing. Roofing felt also called roofing felt paper is underlayed on roofs before shingles are added. Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material. Atlantic single ply system 17000 system 17000 plus system 5000 classic commodity systems.

Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe. Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof. Installing the roofing felt does take care but can go very quickly. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights.

Its main purpose is to prevent moisture from leaking into a roof. The best weight for roofing felt is the 30 pound product because it provides thicker and. By shifting the pound symbol 15 felt became 15 felt which may actually weigh 7 5 to 12 5 pounds per square. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.