I want to lay 3" X 3/4" T&G cherry in a room 12' X 24' . The joists run parallel to the 24' walls. There is a fir T&G subfloor that runs perpendicular to the joists. The cherry planks would run parallel to the joists; perp to the subfloor planks. When running hardwood parallel to the joists, Don Bollinger recommends an underlayment of 1-1/8" plywood underlayment. With the finished floor, that would mean a 1-7/8" bump at the doorways to the other rooms. Thick! He doesn't mention if that underlayment includes the subfloor width or not. What's your opinion? Thanks very much for any advice, tips, references or comments
- posted
20 years ago