Roof Membrane Weight Psf

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Roof membrane weight psf.

Plywood 3 psf. Fibertite blue roof flashing tape. Only product in the marketplace to offer prefabrication of the entire roofing system. Use our table below to compare membrane thickness and weight for our range of flat roofing.

Pdf blue roof construction detail drawings can be found here insulation fasteners cover board product data sheet download. Either the 45 mil or 60 mil membranes can be used in this system. Duro last 50 mil membrane is manufactured with 28 mil of thickness on the top performance layer far exceeding industry standards as well as competitor systems with equal and even greater mil values. This minimum live load is in addition to the dead load that the roof must bear.

0 50 psf 22 ga 1 5 b 3 polyiso epdm. Is there a reason why asce might be so much heavier. Asphalt impregnated felt paper. Tpo roof membrane 60 mil fully adhered membrane only 0 29 lbs.

This includes the roofing felt that underlies the shingles. Polyisocyanurate insulation board per inch of thickness. None 15 pound paper 0 2 lbm ft2 1 kg m2 30 pound paper 0 3 lbm ft2 1 5 kg m2 45 pound paper 0 5 lbm ft2 2 4 kg m2 note. This equals the original roofing weight of 3 0 psf.

Asce states that rigid roof insulation weighs 1 5 psf per inch of thickness whereas polyiso insulation like thermax is 0 25psf per inch. The weight of the basic ballasted roof system is 12 14 pounds per square foot. We need to convert this to weight on a horizontal projected area so the shingle weight becomes 2 5 psf times 1 2 or 3 0 psf. A typical roof is expected to support a live load of 20 psf.

Is it assuming some sort of saturation. Ftr value insulation data sheet. Approximate typical weight 7 lbs. 1 5 b deck 2 psf.

Atlantic single ply system 17000 system 17000 plus system 5000 classic commodity systems. You can return to viewing our roofing products by clicking on the below titles. The weight of truss rafter must be added to calculate the dead load of the roof. Fibertite blue roof temporary roof membrane.

Wood fiberboard insulation cover board high density per inch of thickness. Most factory mutual and underwriters laboratories recommendations can be met with this system.