Tongue and Groove Plywood Subfloor

easytgfloor Tongue and Groove Plywood Subfloor
When considering a subfloor the best option is usually a tongue-and-groove edged board. These are the easiest to install and don’t require additionally blocking. They can be used under carpet, tile, or wood flooring.
Solid subfloors make for happy feet [Inman News]
Tongue-and-Groove Flooring [CanPly]