How To Make Tongue And Groove Plywood?

Can plywood be tongue and groove?

Tongue-and-groove plywood is superior to regular plywood for floor decks because it creates a stronger, more rigid subfloor, and helps eliminate sagging and “bounce” at the seams between the joists. If the tongue-and-groove joint doesn’t close up, the plywood might be slightly warped.

Can I make my own tongue and groove?

Tongue-and-groove joints are commonly made on a table saw. But with the right bits, the joints can be made just as easily on a router table.

Does plywood subfloor need to be tongue and groove?

For subflooring, you use tongue and groove plywood. The tongue and groove are only along the 8 foot edges. On the four foot edges, your seams will fall on joist tops, so no need for tongue and groove. Remember, you only do this for the first row of plywood.

How deep should tongue and groove be?

The groove should ALWAYS be slightly deeper than the tongue is long, by as much as 1/16″ for 3-inch wide boards. The reason for this is two-fold.

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How tight should tongue and groove be?

All it takes is 1⁄8″. The joint should be a firm press fit: If you have to knock the pieces together, then struggle to pull them apart, the joint’s too tight. A tongue that’s a hair too fat for the groove may actually seat, but it will stress the groove sidewalls and may, in time, prompt them to split.

Should tongue and groove plywood be glued?

The tongue or the groove does not need to be glued, although there is no reason not to. Some engineers require it in certain applications, but for standard subfloor applications none will be needed.

Is it better to nail or screw subfloor?

Using code-approved screws rather than nails is the best option for avoiding movement. If using nails for subfloor installation, stick with ring-shank nails; smooth nails may withdraw easier, leading to squeaks.

Is it better to use OSB or plywood for subfloor?

The National Tile Contractors Association and the Resilient Floor Covering Institute both recommend plywood for subflooring and underlayment, because it doesn’t have the risk of swollen edges that OSB does. Plywood also has a slight advantage in stiffness, which means that subflooring panels need not be quite as thick.

What is shiplap vs tongue and groove?

During installation, these notches fit together like little steps, so the shiplap planks very slightly overlap, in what is called a rabbet joint. Tongue and groove planks, however, have a small projection sticking out of the center of one side’s edge, while the other side has a corresponding small indentation.

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How do you cut off tongue and groove?

For long cuts along the length of a board, the best tool is a table saw. And the second best would be a circular saw with a jig. If you don’t have plans for more projects like this, or simply need to save space, then the circular saw makes more sense.

How can I cut wood without a router?

Alternative Ways to Cut Grooves (Rabbeting)

  1. Table Saw Method. Typically, grooves cut into wood on a table saw are cut using a dado blade.
  2. Dremel Tool Method.
  3. Rabbeting Plane.
  4. Chisel Method.
  5. Rounding and Chamfering with a Plane.
  6. Using Molding Planes.
  7. Molding with a Scratch Stock.
  8. Keyhole Slot.

Can you use regular plywood for subfloor?

Standard plywood can be used for subfloors, but it is more common to use tongue-and-groove sheets that interlock along the edges. The recommended thickness of the plywood subfloor is governed by the spacing of the joists. The type of OSB used for subfloors generally is made with tongue-and-groove edges (T & G).

What is the thinnest tongue and groove plywood?

The thinnest plywood on the market ranges all the way down to 2mm thick (just over 1/16 inch). These are obviously specialty plywood products, manufactured for special applications which can’t be accomplished by any other product on the market, whether plywood or some other material.

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