3
votes
1answer
60 views

“Top layer” plywood subfloor fastened to decking

I just tore out a ton of particle board subfloor that was previously used for carpeting. The entire house has decking (2x6 planks) running on a 45 degree angle over joists with 3/8" plywood over the ...
0
votes
2answers
724 views

When Laying Tongue and Groove plywood over 1x6 subfloor, do I lay it with the grain perpendicular to the floor joists or to the 1x6 boards underneath?

I am redoing a bedroom and I am in the process of installing a new sub floor. I currently have 1x6 running perpendicular to the floor joists. Some do have a bit of give to them. I am laying over that ...
1
vote
2answers
1k views

Proper way to install double-layer of subfloor?

I am installing natural tile, so I've had to reinforce the joists a bit and I'm currently working on installing a new subfloor. The subfloor is 3/4" plywood with 1/2" plywood on top of it. The ...
3
votes
1answer
3k views

How to properly install tongue and groove plywood subfloor?

I'm doing a remodel and can't seem to find the proper method for installing the tongue and groove plywood subfloor over joists. I mean, I think I pretty much understand how to do it but there are a ...
1
vote
2answers
572 views

How do I properly lay a tongue and groove plywood subfloor in a remodel?

When laying T&G plywood subfloors, do all of the edges need to be supported around the perimeter of the room? If so, I may need to add some sort of blocking in my project and I'm not sure of the ...
4
votes
3answers
1k views

How should I install a plywood subfloor that will be covered by granite tiles?

I am replacing my entryway floor and I have removed the old mud bed. I'm left with planks perpendicular to the joists. However the room is defined at a 45 degrees angle from the joists, so the planks ...
6
votes
2answers
2k views

What's the minimum reasonable thickness for subfloor in my attic?

I want to install 4x8 sheets of T&G plywood in my attic for extra storage room, but there are so many different thicknesses. There will be extremely minimal traffic on this floor as I will only ...