Osb Vs Plywood Roof

Osb boasts a more consistent density.

Osb vs plywood roof.

At the end it will be your consideration to choose between performance and cost. Osb is made by combining glue resin and wood chips and pressing them into the shape of a plywood sheet then baking everything together. Both of them are great for roofing. The thickness of the plywood can be controlled by the number of plies glued together.

It becomes soft and weak when it delaminates. However when it is penetrated by water it takes a very long time to finally dry out compared to cdx plywood. However osb is a lot cheaper and more affordable to buy. Compared to cdx oriented strand board osb is made very differently.

Eventually you can decide which one to use between plywood vs osb for roofing. Today osb has 70 75 market share and plywood has about 25 share. 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. Osb these sheets of wood may look similar but they are not created the same.

Osb was introduced in the 1970s and steadily gained market share from plywood surpassing plywood in production in 2000. Water test the edges of the 1 2 in. As osb is cheaper than plywood and has the strength and durability of plywood it is becoming more widely used than plywood. Unfortunately an osb is less resistant to water compared to plywood.

This is one of the reasons why some people prefer using plywood for their roof or subfloor. Because of this manufacturing process osb is at least half the cost of cdx plywood. A few other downsides to plywood. Despite also being susceptible to water damage lipinskiy says that.

While a sheet of plywood might be 5 to 7 plies thick a sheet of osb is made from as many as 50 strand layers packed and compressed into the same thickness. Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons. Thankfully there are osb materials today that are designed to be moisture resistant. Plywood is created by taking extremely thin sheets of wood called plies and gluing them together.

Plywood is better than osb for subfloors. 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. 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. And stayed swollen while the plywood remained stable.

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. How it s made plywood vs. Alternatively osb is created from wood chips resin and adhesive that is baked and formed into the shape of a sheet of plywood.