Osb Vs Plywood Roof

And stayed swollen while the plywood remained stable.

Osb vs plywood roof.

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. Osb was introduced in the 1970s and steadily gained market share from plywood surpassing plywood in production in 2000. New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well. Thankfully there are osb materials today that are designed to be moisture resistant.

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. At the end it will be your consideration to choose between performance and cost. Despite also being susceptible to water damage lipinskiy says that. A few other downsides to plywood.

This is one of the reasons why some people prefer using plywood for their roof or subfloor. Plywood is better than osb for subfloors. Because of this manufacturing process osb is at least half the cost of cdx plywood. Both of them are great for roofing.

Osb is made by combining glue resin and wood chips and pressing them into the shape of a plywood sheet then baking everything together. Unfortunately an osb is less resistant to water compared to plywood. When it gets wet the sheathing could swell and thicken up because of the moisture. Alternatively osb is created from wood chips resin and adhesive that is baked and formed into the shape of a sheet of plywood.

How it s made plywood vs. Compared to cdx oriented strand board osb is made very differently. It is extremely resistant to moisture. However osb is a lot cheaper and more affordable to buy.

Eventually you can decide which one to use between plywood vs osb for roofing. Water test the edges of the 1 2 in. Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons. The thickness of the plywood can be controlled by the number of plies glued together.

Oriented strand board osb board that soaked in my bathtub overnight swelled almost 1 4 in. Plywood has better performance when it comes to overall durability. It becomes soft and weak when it delaminates. Osb boasts a more consistent density.

Today osb has 70 75 market share and plywood has about 25 share. Plywood is created by taking extremely thin sheets of wood called plies and gluing them together. However when it is penetrated by water it takes a very long time to finally dry out compared to cdx plywood. 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.