2
votes
1answer
73 views

Is it recommended that 1/8 thick plywood be used as underlayment?

Redoing bathroom floor. After removing tiles and underlayment and linoleum, the floor that's left is decrepit, uneven, wavy, has some old plumbing holes. It is not rotted though, the wood is sturdy. ...
0
votes
1answer
54 views

Is plywood or dimensional lumber better for repairing notched joist?

During a recent remodel, I came across a 3 inch deep by 5 inch wide bottom notch in a 3x10 (the beams are that old!). I must say, i'm just a diy'er and even I was beside myself that someone would do ...
0
votes
1answer
48 views

Why is this plywood missing the grades?

I went to Home Depot to find some 3/4" tongue and groove plywood for a flooring project and what I saw was this: RATED STURD-I-FLOOR 24oc T&G NET WIDTH 47-1/2" EXPOSURE 1 --282-- RS1-07 ...
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 ...