Roof Boards Vs Plywood

These 8 to 12 inch wide boards were nailed together tight.

Roof boards vs plywood. The keyword here is solid it used to be standard to use shiplap 1 boards tongue groove or other boards for the roof deck. Even though the wood is porous it is more natural and it can dry quickly. To begin with let us try to understand more about each of these four types of wood. Osb is now used for about 70 percent of all floor wall and roof sheathing in north america.

We will also take a look at the advantages and disadvantages of each one. Plywood vs mdf vs particle board vs osb pros cons. In 2001 oriented strand board surpassed plywood in terms of square footage produced. Osb vs plywood screw holding.

At the end of the day what kind of plywood should you use for your roof. As roofing contractors in seattle we are often asked why do we need plywood over our old solid sheathing. Is plywood or osb best. Overall plywood is a little bit better for roofing.

Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking. When the roofing material dries quicker it can be used to make sure that the roof will stay firm for a longer time. Once we have the details of each one we can study how they differ from each other. Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.

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. Contractors often prefer to use osb because of the significant. In an ideal world you would schedule your roof construction during a dry period if possible. The edges may also swell during this time creating small yet visible ridges on the roof where the boards meet.

This is why plywood is considered as the better option for roofing. When sheathing a roof. Both cdx plywood and osb have advantages and disadvantages when it comes to plywood for roofing. 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.

Osb is cheaper than plywood by about 3 to 5 per panel. 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.