Best Type Of Plywood For Bathroom Subfloor

Most construction experts use 3 inch steel screws for plywood subfloors.

Best type of plywood for bathroom subfloor.

While osb is the most popular structural panel cdx plywood is the most popular type of traditional. In addition you ll find that steel screws come in a number of different lengths. The best subfloor for bathrooms that you can install is inch cdx or exterior grade plywood. Tongue and groove plywood is manufactured specifically for subfloors.

Item 12182 model 231331. Some experts suggest that 15 32 inch plywood should be standard if the underlying floor joists are spaced 16 inches apart or less but slightly thicker 3 4 inch plywood should be used for joists spaced further apart. Plywood underlayment adds strength to a floor. Nevertheless plywood is still a wood product and is subject to the effects of excessive moisture in the long run.

The subfloor rests directly on. The shortest ones are 1 1 14 inches while the longest are 3 inches. Unlike traditional plywoods which laminate multiple layers of veneer osb uses. Traditionally exterior grade plywood has been the subfloor material of choice for many bathroom flooring projects.

What type of plywood to use for a subfloor. The second layer of flooring is the underlayment. Cdx plywood in particular is used often because it has a high level of resistance to moisture and humidity. When you re installing an interior subfloor using 3 4 inch plywood you re going to want screws that are labeled 8 10 or 12.

These numbers indicate the diameter or thickness of the screws. Plywood is made by gluing alternating layers of wood veneer. Oriented strand board osb osb is an engineered structural panel. 23 32 cat ps1 09 tongue and groove douglas fir subfloor application as 4 x 8.