Roof Membrane Weight Psf

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.

Roof membrane weight psf.

The weight of roofing constructions above the truss rafter may be estimated with the calculator below. In the past couple of years many of you have pursued bid work primarily because the current market for our traditional design build business has dramatically declined. Gaf analyzed membrane samples from roofs across the us and studied thickness over scrim surface cracking and the ability to repair aging tpo membranes. Atlantic single ply system 17000 system 17000 plus system 5000 classic commodity systems.

On flood coat and aggregate roof surfacing hot bitumen is poured onto the roof membrane at a rate of approximately 0 6 psf followed immediately with aggregate meeting astm d 1863 at a rate if about 4 to 5 psf. None asphalt roll roofing 1 1 lb m ft 2 5 4 kg m 2 asphalt shingle or asphalt fiberglass composite shingle 2 7 lb m ft 2 13 2 kg m 2. Most popular on low slope roofs below 0 5 inches per foot these membranes meet class a fire resistance and are considered most. Weights of building materials.

Weatherbond tpo is 060 inch thick white reinforced single ply roofing membrane. 45 60 72 and 80 mil product. Tpo membrane is suitable for both mechanical and fully adhered roofing systems. The weight of a roofing system varies depending on components used.

Duro last has been successful since the beginning by providing our customers with unmatched service and expertise in the roofing industry. You can return to viewing our roofing products by clicking on the below titles. On a roof with a slope greater than 4 to 12 the live load limit is typically adjusted downward from 20 psf to 15 psf to allow for the relatively greater dead load on the steeper roof. Offers over three decades of proven pvc roof system performance with billions of square feet of membrane installed across north america.

Insulation membrane fasteners and adhesive typical installation weight is less than 2 pounds per square foot 10 kg per square meter when 060 thick membrane typically weighing 1 3 pound per square foot or 1 6 kg per square meter is utilized. A recent study of everguard tpo roofs installed between 8 and 16 years ago found they all performed above astm standards for newly manufactured tpo. Use our table below to compare membrane thickness and weight for our range of flat roofing. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.