Using Pressure Treated Plywood For Roof

Wood for any outdoor project should be pressure treated.

Using pressure treated plywood for roof.

It adds proven performance and durability to new homes room additions and renovations. If you are constructing a roof deck you will need to be concerned with the amount of water that gets on the wood. The bottom line is that there is a plywood for almost every application. Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance.

While many homeowners wonder if they should use pressure treated wood for a specific project the answer is simple. Pressure treated plywood usually has a greenish hue and a slightly oily surface. Pressure treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade. Where to use pressure treated wood.

Most pressure treated wood is treated with chromated copper arsenate. There are pressure treated grades marine grades that can be used in water fine hardwood options for finish work and cabinetry pre finished panels or simple down and dirty 1 2 cdx plywood. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for. Pressure treated lumber is one of the best options that you can use for a roof deck because of its extreme durability.

One of the nice things about plywood is the variety of options you can buy. The sawdust from pressure treated wood is an irritant to the eyes skin and nose. Interior walls are within a climate controlled environment and are presumed to be free of moisture. Manufacturers produce it by infusing regular plywood with chemicals under pressure to give it added resistance to mold and mildew.

Pressure treated wood already has a built in water resistance. Wood for indoor projects should be left as is. Galvanic corrosion occurs when electrons move away from an anode toward a cathode. This means posts in contact or buried underground obviously but it also includes any lumber touching concrete or masonry since it s porous and wicks water like a sponge.

Note that this requirement is only for exterior walls as these may wick moisture onto the lumber. Treatment chemicals include chromated copper arsenate cca ammoniacal copper quat acq copper azole ca and safest of all borates.