Q: I just built a wood sub-floor over concrete and installed 15/32 plywood. Is this plywood thick enough to install tongue and groove hardwood floor over?
A: Not if it’s 3/4 thick and you intend to nail it down. The nails are 2″ long.
- Is 3/4 plywood OK for 3/4 tongue and groove?
I am planning to install 3/4 tongue and groove flooring over 2x6 floor joists on 15 inch centers. The room is 14 x 10 and I plan to use screws to hold the plywood down. This room is a small bedroom, should I use 1 1/8 instead or is 3/4…
- Tongue and groove grime
We are removing 3/4" X 2 1/2" oak flooring from an old farm house. Do you have any advice as "How" to remove the dirt, grime, soot, etc. in the "tongue and groove area". The dirt is packed in and hard to remove with a stiff brush.
- Adding tongue or groove?
I have just salvaged nearly 800 square feet of red oak flooring. Many pieces have had their tongue or groove cut off where the planking has met the wall. Still other pieces were installed butted end to end with the tongue or groove removed (they were probably salvaged and reinstalled…
- Cat urine smell in plywood subfloor
Q: We are putting down a Pergo laminate floor in a den which had carpeting. The carpet and pad was wet with cat urine for a number of months and it soaked into the plywood. The wood has dark spots, but appears to be fairly dry. We used baking soda…
- Changing install direction of tongue and groove
Q: We've just started installing a 3/8' Red Oak Bellawood prefinished wood floor on a 5/8' plywood subfloor attached to concrete/terrazzo. With remodeling/construction yet to start, we foresee a possible need to change the direction of the tongue and groove at some point in this process. Is this commonly done?…
- Cork and glue or plywood and nail subfloor
Is it more expensive to do the cork and glued-down method or the plywood and nailed-down method? (a concrete sub floor)