KOSTER United Kingdom Waterproofing systems for professionals

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Portugal, Leiria, Water tank

Object: Water tank, Leiria, Portugal
Description: Underground concrete reservoir waterproofing, previously made with plastic membrane that was falling to pieces. The walls were clean with water at 400 bar pressure, cleaned and repaired with repair mortar. After curing time, 3 layers of NB1 Grey were applied in 3,5 kg/m2. After the NB1 Grey, there was curing time of 15 days, before start filling the reservoir. Hot drinking water cylindric tin cans for the production of ceramic, had an epoxy coating with about 6 years old, that was failing and leaving small particles in the water. All the cylinders were sand blasted inside, and 2 layers of Corrosion Protection were applied in 1 kg/m2. Safe curing period of 8 days.
Product applied: KÖSTER Corrosion Protection
KÖSTER NB 1 Grey
KÖSTER Repair Mortar
Contractor: ROCA