Resistance of a mortar to penetration of water, under a certain pressure.
Injection mortar
A fluid and/or thixotropic designed mortar to fill cracks or cavities. Applied by injection under pressure and can be cement or reaction resin based. (EN 1504-1).
Insufficient adhesion
Some of the tiles are falling off. If not corrected, this phenomenon develops in time, due to the action of heat and rain. There are multiple causes responsible for the phenomena: Inadequate Cementitious adhesive specified Adequate Cementitious adhesive was specified, but it was poorly applied (for instance, after cessation of open time).
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