Roof Boards Vs Plywood

At the end of the day what kind of plywood should you use for your roof.

Roof boards vs plywood.

Osb is cheaper than plywood by about 3 to 5 per panel. As roofing contractors in seattle we are often asked why do we need plywood over our old solid sheathing. When sheathing a roof. When the roofing material dries quicker it can be used to make sure that the roof will stay firm for a longer time.

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. For a typical 2 400 sq. The ability of plywood to return to shape after wetting makes it a lot less risky in this application and while a little more expensive that s still cheaper than having to replace a floor. Osb is now used for about 70 percent of all floor wall and roof sheathing in north america.

Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking. These 8 to 12 inch wide boards were nailed together tight. Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8. In 2001 oriented strand board surpassed plywood in terms of square footage produced.

Cost of plywood vs osb. As a homeowner if you find yourself in this position know that when you install a new decking system you will have to decide between using plywood or osb. Contractors often prefer to use osb because of the significant. We will also take a look at the advantages and disadvantages of each one.

The edges may also swell during this time creating small yet visible ridges on the roof where the boards meet. According to dmitry lipinskiy owner of roofing insights there is a 5 chance that older homes will need a completely new decking system when their roofs are repaired. In an ideal world you would schedule your roof construction during a dry period if possible. Overall plywood is a little bit better for roofing.

Is plywood or osb best. Even though the wood is porous it is more natural and it can dry quickly. This is why plywood is considered as the better option for roofing. The keyword here is solid it used to be standard to use shiplap 1 boards tongue groove or other boards for the roof deck.

Plywood vs mdf vs particle board vs osb pros cons. Both cdx plywood and osb have advantages and disadvantages when it comes to plywood for roofing.