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System for waterproofing tunnels by spray membrane

Rif n° R17.5

Application steps

1
Shotcrete with set accelerators MAPEQUICK and admixtures DYNAMON
Apply the first coat of shotcrete admixed with set accelerators and other admixtures.
2
Waterproofing membrane
Apply the waterproofing membrane by spray through airless pump (or screw pump, or pneumatic/electric pump) on perfectly dry substrate.
3
Shotcrete with set accelerators MAPEQUICK and admixtures DYNAMON
Apply the internal shotcrete coating admixed wit set accelerators and admixtures.
4
Smoothing layer
Create a smoothing layer with one-component cementitious-base ready mixed thixotropic mortar for 4 metres height, so that a smooth coat for the subsequent application of finishing layers is obtained.
5
Finish
Apply the finishing epoxy paint in two coats on the clean and dry smoothing cementitious substrate using a brush, roller or spray.

Documentation

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