Although tongue and groove solid hardwood flooring does fit together it must still be nailed to a subfloor.
How to install engineered hardwood tongue and groove flooring.
Put the first board up against the mason s line with the groove side facing away from the walls.
Immediately wipe up any glue that squeezes through the boards.
Here s how to install click lock engineered hardwood flooring.
Engineered tongue and groove planks however snap together to create a floating floor.
When installing additional rows work from left to right.
Then connect the pieces carefully folding and tapping the new piece to rest on the subfloor.
Note that some engineered hardwood flooring products have a click lock design.
Use 1 2 inch spacers to assist in maintaining the 1 2 inch expansion gap between the first row of flooring planks and the wall.
This allows the planks to fit together sort of like puzzle pieces with each row held down by the row next to it.
Prep layout installation and finishing tips for tongue and groove floors.
Most engineered wood floors are milled with tongue and groove t g construction.