For subflooring you use tongue and groove plywood.
How to install tongue and groove flooring subfloor.
Pretty simple step here.
Again it is to your discretion also.
To avoid buckling subfloor panels should be spaced with a 1 8 inch gap at all edges and ends to provide room for naturally occurring expansion.
The tongue or the groove does not need to be glued although there is no reason not to.
The sheets are nailed or screwed in place across the floors joists.
Tongue and groove edges on many premium floor panels such as weyerhaeuser s edge gold osb panels are designed to self gap.
Some engineers require it in certain applications but for standard subfloor applications none will be needed.
But to start off we will need to remove the tongue so the plywood is tight with the exterior icf walls.
Pro tips for installing tongue and groove flooring.
If you choose to place the glue at the groove so the tongue drives it into the groove.
A fully sanded surface and precision tongue and groove profile help eliminate visible seams while keeping tack strips firmly in place.
Tile and stone over advantech flooring featuring dependable strength and stiffness and long lasting durability advantech subfloors help preserve the structural integrity of natural stone and reduce the risk of cracked tile.
Plywood tongue and groove boards are used to build subfloors for houses and apartments.
On the four foot edges your seams will fall on joist tops so no need for tongue and groove.
The subfloors are later used as the base for carpet hardwood vinyl or tile flooring.
The tongue and groove are only along the 8 foot edges.
If you plan to tile you want the floor as rigid as possible or you will have issue with the tile and or the grout later.
If you stand between two floor joists and you can see that there is give in the floor lay a second sub floor that is not tongue and groove.
So my house has 2x6 car decking tongue and groove whatever you want to call it subfloor that i am going to tile over both in the kitchen and the bathroom.
How to install hardy backer board over tongue groove.
The rest of the floors are 3 4 oak as you can see in the pictures.
Although tongue and groove solid hardwood flooring does fit together it must still be nailed to a subfloor.