Osb Vs Plywood Roof Sheathing

Osb v plywood which is best.

Osb vs plywood roof sheathing.

Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. One of the nice things about plywood is the variety of options you can buy. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Osb boasts a more consistent density.

For a typical 2 400 sq. Both cost about the same to install 70an hour for a carpenter. That is why osb is sometimes used to secure houses when a hurricane draws near. Osb panels can be manufactured in lengths up to 16 feet or sometimes even higher while plywood is generally limited to 8 to 10 feet.

While a sheet of plywood might be 5 to 7 plies thick a sheet of osb is made from as many as 50 strand layers packed and compressed into the same thickness. Tall wall and the joists below with a single sheet. Installing either sheathing over a 500 square foot area would cost roughly 160in material for plywood and 100for osb. Sheets which means you can sheathe an 8 ft.

For pricing and availability. For pricing and availability. In our area 1 2 in. Osb is much more waterproof than plywood and cdx plywood.

Osb is cheaper than plywood by about 3 to 5 per panel. Osb sheathing costs a few dollars less per sheet than 1 2 in. Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood dominated market its use for exterior sheathing is. When it gets wet the sheathing could swell and thicken up because of the moisture.

A 4x8 foot sheet of construction grade plywood costs roughly 10a sheet while the same size sheet of osb costs only 6a sheet. Plywood is made with an odd number of layers for optimal strength and performance. Osb sheathing has one irritating characteristic but only if you abuse the stuff. Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing.

And osb is available in 4 x 9 ft. Thankfully there are osb materials today that are designed to be moisture resistant. This is one of the reasons why some people prefer using plywood for their roof or subfloor. When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood.

The glue and resin that is mixed in with the wood chips makes it much less permeable so osb holds up longer in harsher conditions.