Wood floor preparation for vinyl

Old 12-02-06, 11:47 AM
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Join Date: Feb 2006
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Wood floor preparation for vinyl

I am going to lay a vinyl floor of some type in the bathroom. I took up the old lino, and my good wife and I spent a lot of time with a heat gun and scraper, getting the old adhesive off.

The floor itself is wood planks, tongue and groove, probably cedar, and there's about 1/32 - 1/8 " gap between each plank. Plus there's a few holes and grooves in the floor.

I'd like to acomplish a couple of things -
1. I'd like to seal the floor so if water does get onto it, around the edges, it won't damage the wood. I see evidence of past water spills, however the wood is dry and tight.

2. I'd like to level it to a smooth finish to provide a good under surface for the flooring. Something I can paint on or trowel on to fill the gaps and holes.

I've read the threads here about the pros and cons of self adhesive tiles, and despite the risks I think I am going to use those. That will make it easier to install, I won't have to remove the toilet, and I have used them before successfully. So, perhaps an additional adhesive would be a good idea?

Any suggestions for a sealer/leveller and an adhesive?


Old 12-02-06, 02:03 PM
Join Date: Sep 2006
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It isnt advisable to install a leveling compound over a wood substrate as a base for resilient flooring because of woods expansion and contraction movement over time and with the changes of the seasons (temp/humidity changes) that could crack it and might telegraph through the relilient product.

fill in any sizable gaps with wood and if the floor is wavy then fill in any low spots with a floor patch and/or sand high spots to get the subfloor as flat as possible.

go over the wood subfloor with an approved wood underlayment like one of the following:




follow manufacturer installation, anchoring, and joint preparation instructions for the underlayment you choose.

I do not recommend base/builder grade luan underlayment.

The wood underlaymnt can span up to an inch or so of open space without any problems.

Do not worry about the patch that may crack as per my disclaimer above, as the properly installed underlayment will keep it in place should that ever occurr and wouldnt affect the resilient product installed over the underlayment.

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