Osb Roof Plywood Thickness

With edge support and the same snow load 3 8 inch osb can be used.

Osb roof plywood thickness.

Both plywood and osb are used for sheathing roofs walls and subfloors they work equally well for these uses are just as easy to drill into and have equivalent ability to hold nails. Fortunately this is one issue that has primarily been standardized by the industry. That s considered to be the minimum. However osb is generally considered less resistant to water it swells in thickness when exposed to moisture and some people prefer plywood for roofs and subfloors.

Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. That in a nutshell is the one big advantage plywood holds over osb.

Panel thickness will also affect permeability using the 2 perm variable of 7 16ths osb sheathing at 3 4 thickness the permeability drops to 2 3rds of a perm. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. The greater ability a wall has to dry the more durable it will be and everyone. Is there a better choice between the two or will either one work just fine.

Another issue that many people encounter is what size plywood the roof may need. For pricing and availability. Talking about plywood or osb for roofing you cannot miss the information of the cost. For the curious 7 16 osb has a span rating of 24 16 and with supports every 24 inches is good for a roof live load of 40 psf pounds per square foot with a 10 psf dead load.

Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. However you might find that osb can better suit your needs than plywood for the roof.

Thicknesses range from 5 16 to 3 4 inch and the proper. Plywood s advantage over osb. Overall in installing a whole roofing area osb will cost. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

For plywood it is like 5 to 10 more expensive. It is generally believed that osb is cheaper than plywood. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8.