Temporary protection of the waterproofing of a roof
DOI:
https://doi.org/10.3989/ic.1978.v31.i306.2522Abstract
As experience tells us, when placing a thick mortar layer for temporary protection for temporary waterproofing, it is common to detect faults or cracks, which do not normally occur when mortar layer is thin. There does not seem to be a clear and unanimous explanation of this fact and an attempt is made to clarify the situation trough an understanding if the effects on the waterproofing membrane when the protective layer cracks up. It is shown here that the traction generated in the protective layer by atmospheric temperature changes, acting on the waterproofing membrane and the effects on the effectiveness of its fastenings to the supporting base, are both related to the thickness of the protective layer. The thicker the layer, She greater the traction force and thus the greater fastening efficiency. Therefore, the application of an excessively thick temporary protection, can cause damage to the water-proofing membrane.
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