For porcelain stoneware, it is best to use polymer cement grout. It is an elastic wear-resistant material of high quality with a long service life.
Most often, PVA glue is used for small home repairs and less often when gluing wood in professional workshops.
Today, there are no analogues of chemical anchors, especially when it is necessary to attach a heavy element to a hollow base. Despite this, the material still has several disadvantages.
A mechanical anchor will not be able to cope with fastening into weak bases. These include hollow blocks and bricks with voids. But a chemical anchor is ideal for working on such bases.
For use on wet surfaces, the imported chemical anchor Teknobond 401 W is used