Negative side waterproofing with KÖSTER NB 1 Grey: Spray application
Negative side waterproofing with KÖSTER NB 1 Grey: Spray application
Positive side waterproofing: Piston pump
Positive side waterproofing: fillets
First layer of KÖSTER Deuxan Professional
Thickness control
Application of glass fiber mesh
Second layer of KÖSTER Deuxan Professional