The construction of the roof
The bitumen felt was in good condition with some overlaps that needed touching. There were 120 holes made for fixing the structure that will support new AC units.
The age of roof
6 years old
Concrete slab-XPS-Sloping concrete-two layers bitumen felts.
Due to the need of installing additional AC units the waterproofing layer was penetrated on lots of spots which caused leaks in the rooms under the roof.
Abizol 2KS was used for repairing the areas around the holes. Than priming with EVOMER primer and two layers of COOL-R.
Seamless waterproofing layer that stopped the leaks under the roof. The cooling effect will be perceived next summer.
Non spreading fire