The nail must be long enough to go through the piece of pine and into the ceiling above.
Tongue and groove flooring nailer.
How to nail down a tongue groove wooden floor without a power nailer.
Lock the boards into place then face nail the first row of boards then use a pneumatic flooring nailer to nail each nail into the tongue of the board.
Instead of hitting a nailhead multiple times with a hammer the nailer shoots the nail into the wood in one step.
If installing one half inch pine use 1 1 2 inch nails.
When you nail tongue and groove flooring properly the nails are invisible so american floor installers call the process.
From the wall measure one board width and snap a chalk line.
To install tongue and groove.
This prevents sore thumbs and cracked paneling from wild hammer strokes.
The length of the nails is more important than the gauge when using the nails to install tongue and groove wood.
The traditional method of nailing hardwood tongue and groove flooring is to drive nails at an angle through the tongue of a plank and into the subfloor below but this is time consuming and can.