Floors - QUESTIONS & ANSWERS
Can you install a layer of T&G plywood over a 3/4” plywood subfloor? Should the T&G run in the opposite direction and what is the best way to nail the T&G connection point?
You can install T&G over 3/4” plywood subfloor. It should run across the subfloor and it is best to use flooring screws. The usual application schedule is 6” spacing around the perimeter and 12” on the field.