W
wetdec
Don't worry, you don't have to seal them before you fix them, only before and after grouting. This can be the case depending on the stone, a polished limestone such as Jura would not require sealing where a white limestone such as Flax would. Always check
And about fast set adhesive - never use fast set adhesive, if you don't know, how the stone reacts on fast set adhesive. This is a pretty brave statement considering fast and normal set adhesives perform the same if recomended for use on stone except for the obvious speed of set
Fast set addy actually shouldn't be used for stone at all. It can be only used for non absorbant stone - granit etc. You are confusing rapid with flexi in certain cases.
With rapid set addy you risk that stone will bend or it'll crack.
And you definitely can't use fast set addy for heated areas or for thick bed adhesive. These 2 sentences are indeed not your best I think
Play nice guys..................
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