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Homeowner Forum / Construction / November 2005New kitchen floor
Hi All, Had a house with a damaged kitchen floor from a water leak. I ripped out the old wood, scabbed in braces and used 3" decking screws to fasten plywood to the joists. Multiple coats of a floor leveling compound were used to close the small seam gaps. Then the floor was covered with a good grade of vinyl flooring. Now, the main seam down the center of the floor appears to have lifted on one side about 1/8 inch or so. I'm thinking maybe the excess humidity under the house has saturated the plywood and caused it to swell -- the sealing compound gave the wood no room for expansion so it buckled. Does this sound right? How would you folks replace a floor and keep it from buckling? The current problem is not the floor, its the crawlspace. Should be ventilated, and water should never enter it, let alone stand in it. Only exception that I would just use the subfloor plywood as base for a floor is carpeting with a thick pad. BC or better plywood or similar, smooth side up should be used over the basic subfloor covering. Grain should run 90 degrees from plywood beneath it. Avoid making joints at same locations as that plywood beneath it if possible. A silicon based, pliable caulk will suffice at the joints if perfectly level with adjoining plywood. There's stuff on the market that works like joint compound but won't affect the plywood laminate glues, results in a continuous flat surface when done.  SignatureLil' Dave Beware the rule quoters, the corp mindset, the Borg Else you will be absorbed > Hi All, > [quoted text clipped - 11 lines] > Does this sound right? How would you folks replace a floor and keep it from > buckling? > The current problem is not the floor, its the crawlspace. Should be > ventilated, and water should never enter it, let alone stand in it. [quoted text clipped - 9 lines] > works like joint compound but won't affect the plywood laminate glues, > results in a continuous flat surface when done. Would you use tarpaper or something similar for a subfloor covering? I wouldn't. SignatureJonny > > > The current problem is not the floor, its the crawlspace. Should be [quoted text clipped - 12 lines] > > Would you use tarpaper or something similar for a subfloor covering? |
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