Existing wall (precast panel) experiencing cracks between each panel.
Existing wall (precast panel) experiencing cracks between each panel.
Seepage between each panel.
Whole precast wall coated with KÖSTER 21. Seepage solved.
The customer is satisfied with the product performance. He continues using KÖSTER 21 for roof waterproofing.
Existing crack on flat roof treated with KÖSTER 21 as scratch coat, followed by fibre glass reinforcement.
Flat roof is then coated with first coat of KÖSTER 21 (Grey color).
Lastly followed by second coat KÖSTER 21 (Grey Color).
Extra material of KÖSTER 21 is used to waterproof substation roof.
