Flat Roof Plywood

Roofs with less pitch often carry heavier loads including snow and ice accumulations in the winter.

Flat roof plywood. Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. More product details close.

Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. Yes there are several different material options and types of roof plywood. Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof design. Rafters run from the peak of the roof.

For this you can either go for a half inch or 5 8 inch. Traditionally 1 2 in cdx plywood was common choice with 24 in rafter spacing. Different material options types of roof plywood. Osb is made of small and fairly rectangular shaped wood chips from small resinous trees which are bonded into a panel form with wax and synthetic resin.

A roof that lays practically flat will have a much heavier load than a steeper roof that allows rain snow and ice to roll right off. Especially in relation to osb or plywood use for roofs walls floors. Of course you don t need to live in a modern house to deal with a flat roof. Just enough slope to drain water but also flat enough to be a problem if not constructed properly.

1 2 or 3 4 inch plywood for roof sheathing. This minimum wouldn t work if you have a flat roof. In this case you can t use a 3 8 inch thick sheet. The minimum plywood for roofing.

Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for light frame wall and roof assemblies in weather protected applications. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.