For most installations a modified thinset such as the 703 or 710 is recommended.
White thinset for marble.
Versabond cures quickly and adheres to most surfaces.
Suitable substrates include interior and exterior floors countertops and walls.
Light weight thinset such as merlite 820 is less likely to sag if used properly.
I have done 9 tile jobs to date including two other backsplashes but this was my first go around with marble.
Do not use any grey mud or thinset that can penetrate through to the light stone.
For rectangular plank tile use a medium bed mortar such as 720 marble pro.
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.
Fortified thin set mortar is a professional formula all purpose mortar polymer modified to provide good bond strengths.
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.
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.
For marble tiles the adhesive of choice is often a cement based thinset.
Use a non sanded grout to protect both the marble and the grout from discoloring too much.
The custom building products versabond 50 lbs.
I used white thinset i let it cure for 6 weeks then sealed it twice with 511 sealer and it looks absolutely stunning.
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.
White grout is a risk in bathrooms though as everyone mentions.
Also after installation continue to seal your stone at least one time a year to prevent future staining.
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.
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.