Substrate check and preparation for renovation works indoors
A prerequisite for successful renovation is a previous survey and analysis of the damage. One of the most important investigations is the recording of the type, thickness and characteristics of the existing masonry. Examinations of the moisture on internal and external walls at different heights provide important information on the causes of the moisture damage. Such information is necessary in order to set up an appropriate renovation concept. This also includes recording data about the permeability of the ground and hence which water load is prevailing.
Simple & safe to the goal
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5. Chisel a recess of 4 x 4 cm in the angle between the concrete slab and basement wall. As a rule, a watertight mortar, for ex. weber.tec 933 must close this area. Thanks to its bonding strength, it is resistant to the pressure of the backwards water ingress.
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