What Ply To Use On A Flat Roof

Epdm is 1 50 per sq foot making it the cheapest single ply membrane.

What ply to use on a flat roof.

Although the roof structure takes the majority of the weight plywood needs to be able to support the rest of the roofing system. The industry offers a thickness of anywhere from 5 16 inch to inch. We also cover spray applied foam and liquid roofing options. It is formed from multiple layers of wood bonded together with a glue and the grains run in alternate directions through each layer which ensures the board s strength is.

Single ply roofing has become an increasingly popular flat roof covering over the last few years. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. The minimum plywood for roofing.

Known technically as elastomeric or plastomeric roof membrane depending on the material single ply roofs come in a few different varieties including. What plywood should you use for a roof. What size plywood should you use for your roof. Common flat roof membranes discussed in this article include built up asphalt tar and gravel modified bitumen and single ply membranes like epdm pvc tpo and kee.

In addition to the thickness you also need to make sure that you choose plywood that s graded for outdoor use. Roofing can also be improved by using extra insulation and fresh single ply membranes the effects of an extra insulation will be experienced by the cooler temperatures that will be enjoyed in the interior during the summer and the use of the single ply will definitely prolong the life span of the roof. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. Membrane roofing is often used on commercial flat roofs.

You can use our flat roof calculator to quickly and accurately estimate the cost of replacement. In general materials used on flat roofs cost less than ones used on sloped ones. Essentially a single ply membrane roof is comprised of flexible sheets of synthetic polymer that can be divided into two main groups thermoplastics and synthetic rubber. Why is plywood used in roofing.

Pvc is 1 90 per sq foot. Look for something that s graded as exposure 1 or exterior. In roofing plywood is often selected due to its strength. Rafters run from the peak of the roof.

Tpo is 1 70 per sq foot.