Although tongue and groove solid hardwood flooring does fit together it must still be nailed to a subfloor.
Installing wood flooring without tongue and groove.
The 3 4 in thick solid plank flooring shown is milled with a tongue and groove.
For tongue and groove flooring drive a nail at a 45 degree angle through the tongue then conceal it by engaging the groove of the next board.
The type of installation you choose will depend on your subfloor budget lifestyle and the type of wood flooring you select.
Pro tips for installing tongue and groove flooring.
Tongue and groove edges lock hardwood flooring planks together along the seams ensuring a snug fit and hiding finishing nails but it is possible to install a wood floor without an interlocking.
The tongue and groove pine flooring must run perpendicular to the floor joists.
If the current subfloor has tongue and groove hardwood planks check to see if it is attached directly to the joists or if it s on top of another subfloor.
When you nail tongue and groove flooring properly the nails are invisible so american floor installers call the process.
If the subflooring is in good shape nail it down without the plywood assuming the engineered wood is of good quality and 1 2 in.
Be sure to countersink the nail drive it slightly below the surface of the wood to prevent interference in the joint.
Installing tongue and groove floors engineered pre finished or bare wood is among the most popular diy projects and for good reason.
How to nail down a tongue groove wooden floor without a power nailer.
Prep layout installation and finishing tips for tongue and groove floors.