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2
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2answers
102 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
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2answers
98 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 ...
0
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1answer
21 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 ...
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1answer
23 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 ...
1
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0answers
76 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 ...