You may recall that I harvested oak trees to make my own white oak flooring for the townhouse that I’m renovating. This has been a long process that involved many steps, the final one being the fabrication of wood flooring from rough wood planks. Part of that process involved putting a tongue and grove on the edges of planks so that they could be attached together.
The fabricator put tongue and groves on the long edges of the boards, but I also wanted to place them on the short edges of the flooring to ensure the tightest possible fit. Commercial flooring has a tongue and grove already placed on the short ends of the planks.
In addition, there are times when two adjacent boards could have two groves instead of a tongue and grove. In such situations I used a spline to join the boards together.
See the photos below.