Rigid Insulation Weight Roofing

Rigid roof insulation board.

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. 1220x2440mm weight kg m 3. Polyiso is an easy cost effective sustainable and energy efficient construction material. Polyisocyanurate polyiso polyiso is the industry s premier roofing insulation.

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. These products can be used across the entire building envelope from the foundation to the roof and everywhere in between. 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. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.

Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other. 1200x600mm weight kg m 3. 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. Is there a reason w rigid roof insulation weight structural engineering general discussion eng tips.

Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. Owens corning foamular thermapink extruded polystyrene xps insulation is a closed cell moisture resistant rigid foam board specially designed for roofing applications. It s light weight provides ease of handling. It can be attached using a variety of methods and is compatible with all of carlisle s single ply systems.