Schluter all set is a specialized modified thin set mortar specifically formulated for use with schluter membranes and boards.
Marble tile on kerdi.
Unmodified thin set mortar is recommended to set ceramic and stone tile including large format tiles over the kerdi membrane.
Since kerdi is impervious it does not deprive the mortar of its moisture.
Schluter kerdi is a pliable sheet applied waterproofing membrane and vapor retarder designed for the direct application of tile kerdi is ideal for use in tiled showers bathtub surrounds residential steam showers and other tile applications in wet areas.
San diego marble and tile is the leading supplier of natural stone and tile in san diego building a reputation for having the largest selection of porcelain tile glass tile outdoor tiles stone tile marble tile and various other tiles our staff is experienced knowledgeable and friendly assisting designers contractors and homeowners alike in design and product choice for both commercial.
Engineered for use both under and over all ditra and kerdi products.
Sheet applied polyethylene waterproofing membrane and vapor retarder.
Suitable for use with ceramic porcelain and stone tile including large and heavy tile.
Easy to handle and spread.
With marble i usually use white modified thinset and have no problems.
Depending upon the particular onyx you may be able to use the same thing just make sure you get full coverage so any imperfections in the thinset do not show through since most onyx is translucent.
Kelly chaplin march 2012 we frequently see questions on our advice forums asking about tiling over schluter s kerdi fix sealant when it s been smeared excessively over kerdi waterproofing membrane while being used for various sealing applications where the normal overlap with thinset mortar just wouldn t fit the bill.
It can be fragile and may have a tendency to crack along the natural.
Schluter kerdi board is a multifunctional tile substrate and building panel which can also be used in bonded waterproofing assemblies with tile kerdi board allows you to quickly and easily build tile ready elements in showers bathtub surrounds and platforms countertops vanities shelving and more.
Portland cement based unmodified thin set mortars are dependent on the presence of moisture for hydration in order to gain strength.
However do not use epoxy to install the schluter kerdi membrane modified thin set mortar is not recommended to set ceramic and stone tile over the kerdi membrane modified thin set mortars must air dry for the polymers to coalesce and form a hard film in order to gain strength.
Yes even on kerdi.