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-   -   Which thinset for bonding straight to concrete slab? (http://www.diychatroom.com/f5/thinset-bonding-straight-concrete-slab-162217/)

Donnie D. 11-04-2012 09:55 PM

Which thinset for bonding straight to concrete slab?
 
well ive done alot of tile work over the last 10 years..but now i have my own house and really getting crazy about everything being perfect..i recently put down 16x16 ceramic tile in my basment on the concrete slab..its a laundry room..it about 80 square..i used the cheap 6 dollar a bag un modified CustomBlend® Standard Thin-Set Mortar..i put my washer and dryer on top the the tile about 6 weeks ago..no problems at all..

but now i am doing my tv room right above the basement and is also a concrete slab..is has vinyl sheet flooring on it with adhesive under neath,which i will scrap clean as possible..now i dont see any cracks in the slab yet,but i havent scraped the whole floor yet..

its 200 square,the house was built in 1950's..

now i keep debating if i should use

--MegaFlex® Crack Prevention Mortar (which i cant find at a local home depot)

--FlexBond® Crack Prevention Mortar

--Porcelain Tile Fortified Thin-Set Mortar

..i will be using large tile 12x24's


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