Mapei Tile Adhesive Not Setting. I tiled the centre are of a porch today, using unibond rapid set tile adhesive, mixed exactly as per the instructions i.e. fixes ceramic, mosaic, porcelain and natural stone tiles.
It's not the pva as one wall was not pva'd and the problem is still happening on that wall also. tile adhesive not setting. Using the trowel’s flat edge, spread the adhesive on the substrate.
Mapei Mapeker Rapid Set Flexible Tile Adhesive Grey 20kg Wickes.co.uk
For domestic and commercial use, suitable for. True but the water content is critical to. It is usually the other way around i have found in that older adhesive goes off too quick. cement based (supplied as a powder) adhesive will fix the tiles, as that sets by chemical reaction, not by water evaporating.
