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2
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2answers
113 views

Does it make sense to put quality (=pricy) underlayment over 3/4“ subfloor+1/2” extra plywood layer?

I have standard subfloor + 1/2" plywood on top, to correct for joists going different directions, so that all hardwood boards can be laid one direction for a clean look and avoid sagging where they ...
0
votes
2answers
40 views

Can I paint and polyurethane my plyfloor or does it have to be covered?

On a new build, our subfloor is going to be 18mm plyfloor. I like the idea of painting it with a whitewash and then coating it with polyurethane to keep it as our main floor, rather than covering it ...
0
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2answers
101 views

How can I minimise damage to a moldy patch of plywood?

I removed a waterproof camping bag in my student appartment today that's been filled with stuff to find that it has left a moldy spot on the untreated plywood it stood on. It's been parked up right ...
1
vote
1answer
33 views

Can I use OSB or plywood instead of 1x6 boards to hang metal panels?

I'm going to be putting up two louvered panels that will hold plastic hanging bins (think akro-bin type). I won't be able to mount the panels on studs, so I'm trying to decide if I should mount ...
0
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1answer
22 views

Can I use self-levelling cement over different levels of plywood?

I want to put large format tiles in a 10 x 10' bathroom over ditra. I have a solid flooring substrate but it is sloped, losing 1 3/8" over 8 feet. I am concerned about the weight of this much SLC (and ...
1
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0answers
13 views

Securing plywood “underlayment” to timber “sub-floor”

I am laying 12mm plywood on existing timber flooring (before laying Hardiebacker board & ceramic tiles) apart from screwing the ply to the sub-floor, should I also use grab adhesive, thinset tile ...
1
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0answers
92 views

How long can pressure-treated plywood be left wet?

I built a 12'x20' shed foundation on the Oregon coast last Summer. It is 3/4" pressure-treated Doug Fir plywood over P-T framing. The plywood was very wet when purchased and installed wet like most PT ...