Plywood Roof Flat

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.

Plywood roof flat.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Apply 2 gallons per 100 sq. More product details close. Of course you don t need to live in a modern house to deal with a flat roof.

It will support roof. It adds proven performance and durability to new homes room additions and renovations. Finish with one to two coats of. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

Roof decking is the material that lies on top of the main roofing structure and the underlayment and roof covering is applied on top. Divide that by 32 the square footage of each 4 8 plywood sheet. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for light frame wall and roof assemblies in weather protected applications. In roofing plywood is often selected due to its strength.

In this case you need 47 sheets rounded off from 46 88. Let s say that your roof has a total of 1 500 square feet. Sheathing sizes 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. Why is plywood used in roofing.

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. In roofing plywood can be used as roof decking. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.

The number you ll get is the number of sheets that you need. Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.