Flat Roof Plywood

Just enough slope to drain water but also flat enough to be a problem if not constructed properly.

Flat roof plywood.

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. 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. The minimum plywood for roofing. In this case you can t use a 3 8 inch thick sheet.

Of course you don t need to live in a modern house to deal with a flat roof. 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. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

Yes there are several different material options and types of roof plywood. Different material options types of roof plywood. This minimum wouldn t work if you have a flat roof. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood.

1 2 or 3 4 inch plywood for roof sheathing. Especially in relation to osb or plywood use for roofs walls floors. 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.

Most roofs are spaced at least 20 inches apart. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for light frame wall and roof assemblies in weather protected applications. Plywood on the other hand is made with thin sheets of wood that have been cut from a spinning log then glued together. 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.

Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot. However heavier roof loads may require the use of 3 4 in cdx plywood for roof sheathing.