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-   -   Found cutback on plywood...any way to avoid scraping it? (http://www.johnbridge.com/vbulletin/showthread.php?t=68954)

thefed17 12-14-2008 05:47 PM

Found cutback on plywood...any way to avoid scraping it?
 
i peeled back 2 layers of vinyl and some luan to find cutback on top of a subfloor in the kitchen. One guy I talked to at the tile store speaks of a product called Ardex that can be troweled onto the floor, neutralizing the cutback. Then, we can thinset right over it to attach out hardibacker.

Is this an acceptable method? If not...what's the right way?

Thanks

ceramechanic 12-14-2008 05:54 PM

not sure, but i'll bet the ardex mfgrs say you can use thier product over cutback adhesive residue. if there is any siggnifigant amount of adhesive then it may affect the true bond to the plywood surface. like i say, not sure but i'll bet there is someone here that is. scrape?drink beer? tough choice :stupid2:

ddmoit 12-14-2008 06:01 PM

Hi Jason,

It doesn't really matter how well thinset bonds to the cutback on your wood floor because you'll be screwing the cement board down. The thinset is there only to eliminate any tile-cracking voids.

Jim wood 12-14-2008 06:07 PM

What Dan Says

thefed17 12-14-2008 08:03 PM

That makes sense. Thanks!

Brian in San Diego 12-15-2008 08:54 PM

Jason,

Just a note on forum protocol...please keep all your questions for the same project on the same thread. Otherwise you'll have disjointed threads all over the place and it will be difficult for those trying to help or follow along with your project to have the entire story. The good people who run this site don't ask for much but "one project, one thread" is something they do ask us to abide by.

Brian

thefed17 12-15-2008 10:33 PM

Got it. Just figured the particular questions that are not project-related....but more general in nature...would be better off titled appropriately for reference down the road.


Thanks though for the heads uo


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