Roof Plywood Or Osb

It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes.

Roof plywood or osb.

In 2001 oriented strand board surpassed plywood in terms of square footage produced. When used as a roof sheathing this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks. New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well. Pros and cons advantages of plywood.

It becomes soft and weak when it delaminates. As osb is cheaper than plywood and has the strength and durability of plywood it is becoming more widely used than plywood. Not all decking is the same. Both osb and plywood absolutely hate water lipinskiy mentions going on to say that the most important part regardless of which decking option you choose is that all penetration points on a roof are sealed.

It is generally believed that osb is cheaper than plywood. Overall in installing a whole roofing area osb will cost you 700 to 1 000 cheaper than plywood. Osb is then used in the interior or field panels of a roof where wind is not as much of an issue. Building codes the engineered wood association architects and most builders rate plywood and oriented strand board obs sheathing equal in strength and durability.

Customers are choosing osb to be installed as their roof decking because it can lower the cost of their overall roof installation. This is one of the reasons why some people prefer using plywood for their roof or subfloor. Today osb has 70 75 market share and plywood has about 25 share. However you might find that osb can better suit your needs than plywood for the roof.

Osb was introduced in the 1970s and steadily gained market share from plywood surpassing plywood in production in 2000. Osb takes longer to get wet than plywood but also takes longer to dry out. When osb does get wet it also tends to swell along the edges and those edges stay swollen even after the material has dried out. Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons.

Fortunately this is one issue that has primarily been standardized by the industry. Unfortunately an osb is less resistant to water compared to plywood. Despite also being susceptible to water damage lipinskiy says that. Another issue that many people encounter is what size plywood the roof may need.

When it gets wet the sheathing could swell and thicken up because of the moisture. For plywood it is like 5 to 10 more expensive. Osb is incredibly more cost efficient than plywood. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8.

Although plywood is traditionally used to create the roof deck it s becoming more popular for contractors to use osb. The curb appeal of your home is lost because soon your shingles will start to misalign creating an eyesore on the top of your home. Plywood grasps the nails holding flashing the finished roofing like asphalt shingles or the like better especially long term than osb which tends to soften more quickly with moisture cycles over the years.