Weight Of Spray Foam Roofing

It is spray applied to a substrate and typically expands about 150 times its original volume to form a semi rigid flexible non structural plastic insulation.

Weight of spray foam roofing.

Larry typically roofing foam is 2 7 to 3 pound foam. Urethane roofs provide excellent insulation for your building paying for themselves within 4 to 10 years depending on if the facility is heated and air conditioned. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary. The urethane spray foam roofing system is proven to be one of the best and it s the only seamless roofing system available.

At year 10 20 a contractor will add more coating and granules. 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. Lpa 2500 lpa 2800 and lpa 3000 are a two component closed cell polyurethane foam system specifically designed to provide a high performance light weight roofing system for use over a wide variety of roof deck construction and configurations. Compared to other roofing systems spray polyurethane is a very lightweight option.

A spray foam roof is also extremely light weight and can often be applied over existing roofs without costly tear offs or displacement of roofing felts containg asbestos acm. Open cell spray polyurethane foam also sometimes referred to as low density or 1 2 pound spf weighs between 0 4 and 0 6 pounds cubic foot when fully cured. This includes foam being sprayed about 1 5 thick with about 20 25 mils of silicone coating on top with embedded granules. So a 3 inch layer of foam 12 inches by 12 inches should be approximately 1 pound.

How does spray foam s weight compare with other. Spray foam that s used for a roofing system weighs about one pound per square foot. Lpa 2500 lpa 2800 and lpa 3000 spray foam roofing can also be applied to vertical surfaces making. A spray foam roof can be the last roofing system you ll ever need on a building.

Spray foam is also great as a roofing system for flat and low slope roofs. This weight is measurement of 1 square cubic foot piece of the foam.