200mm achieve 0 18 w m 2 k u value on plywood deck.
Rigid insulation weight roofing.
Asce states that rigid roof insulation weighs 1 5 psf per inch of thickness whereas polyiso insulation like thermax is 0 25psf per inch.
When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.
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.
Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same.
Polyiso is an easy cost effective sustainable and energy efficient construction material.
Is there a reason w rigid roof insulation weight structural engineering general discussion eng tips.
Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck.
1220x2440mm weight kg m 3.
It s light weight provides ease of handling.
Material composition roofing felt 3 ply 1 5psf felt 5 ply 2 5psf rigid insulation temlock 1 thick 1 2psf cord 1 thick 0 7psf gold bond 1 thick 1 5psf styrofoam 1 thick 0 2psf foam glass 1 thick 0 8psf rigid fiberglass 1 thick 1 5psf roll or batt insulation rock wool 1 thick 0 2psf glass wool 1 thick 0 06psf alpol 0 1psf.
Rigid roof insulation board.
13 17 thickness.
There s a reason polyiso rigid foam insulation is used in more than 70 of commercial roof construction as well as in many residential builds.
1200x600mm weight kg m 3.
Owens corning foamular thermapink extruded polystyrene xps insulation is a closed cell moisture resistant rigid foam board specially designed for roofing applications.
It can be attached using a variety of methods and is compatible with all of carlisle s single ply systems.