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We’re finishing up a bathroom remdodel for a client and have a strange problem.
Background:
We removed the exisiting tile and mud bed down to half inch ply. We overlaid the floor with 3/4 ply glued and nailed. We used thinset to overlay again with 1/4 inch hardibacker nailed down with roofing nails. We installed 3 1/4 inch base boards up 3/8 inch form floor and primed and painted everything. Yesterday we laid 6 inch square tile on the floor diagnally with a 1/4 inch grout line tucking it under the base.
The Problem:
When you walk on the edges the floor squeeks by the baseboard. the middle of the floor is fine and where the tile meets the vanity is fine. It is only where the tile meets the base. I’ve probably done 20 floors like this and never had this problem. Am I missing something here? Anybody experience this before or have any solutions?
Thanks in advance!
Eric
Replies
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Just a non-judgemental thought.... Would screws have been a better choice for all fasteners?
Is it possible you missed a row of nails along the perimeter when you renailed the first layer of ply? Or the second layer? Or the hardi? Were the joists underneath sound and well fastened? Can you get below and see if there is a problem you can then deal with?
*Eric- you have deflection in the floor. Glue some 3/4 ply to the joists if you can. If not and that floor still moves... Well a quick way out would be a flush cut saw to separate the floor from the base and carefully caulk the joint.
*Ralph, Screws are probably a better choice but I don't think it would have made much of difference here. I checked my construction video (we always take one) and all nails are in place. No access underneath anymore.Cal, Your solution is the way I was leaning if the problem persists after grouting. We usually caulk that edge in bathrooms anyway so it's really just the addition of undercutting.Thanks for the thoughts so far!Eric