Light weight thinset such as merlite 820 is less likely to sag if used properly.
White thinset for marble.
Installing marble tile successfully requires a surface that s strong steady and level enough not to interfere with the tile placement.
Granite tile is extremely dense and impervious to staining during installation therefore either gray or white thinset are appropriate although the do it yourselfer may want to choose the thinset color that is the closest in color range to his selected grout color.
In conclusion ensure if you re going to install white marble or light stone use a white colored thinset and portland cement or waterproof system.
Preferred thin set for marble for me first choice would be custom multipurpose white thin set from hd gives you good body for working the stone i always add a cup of easy float or pearl lite to full bucket of mix thin set if i work with anything larger than 18x18 stone in you r case with 12x12 you dont need to add anything.
The custom building products versabond 50 lbs.
For most installations a modified thinset such as the 703 or 710 is recommended.
The ultimate lightweight one step polymer fortified thin set mortar that is ideal for the installation of gauged porcelain tile panels slabs gptp as well as for interior and exterior installation of ceramic tile porcelain tile stone quarry tile pavers and brick.
Versabond cures quickly and adheres to most surfaces.
I have done 9 tile jobs to date including two other backsplashes but this was my first go around with marble.
In the case of marble tile choosing the right thinset can be essential to ensuring that your tile looks beautiful and remains in good condition for many years to come.
Also after installation continue to seal your stone at least one time a year to prevent future staining.
I used white thinset i let it cure for 6 weeks then sealed it twice with 511 sealer and it looks absolutely stunning.
Don t forget to select the correct trowel size.
Creating this surface can take time and effort but no matter how perfect the surface is choosing the proper adhesive is just as important.
A light weight thinset is commonly used on walls.
My vote is white it will keep the marble looking pristine and will darken a bit over time matching the look of natural carrara quite well.
For marble tiles the adhesive of choice is often a cement based thinset.
Suitable substrates include interior and exterior floors countertops and walls.
For rectangular plank tile use a medium bed mortar such as 720 marble pro.
Fortified thin set mortar is a professional formula all purpose mortar polymer modified to provide good bond strengths.