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Draining and restoration system for tunnel piers

Discover the application steps, the products used for this solution and other alternative products.

1

Scarified concrete

Scarifying the existing concrete layer through hydro-scarifying or milling.

2

TPO membrane coupled with non-woven fabric MAPEPLAN T DR FR 15/400

Application of TPO waterproofing membrane pre-coupled on pier, taking care to keep the non-woven fabric side on the tunnel intrados.

3

Zinc-plated electrowelded mesh

4

Stainless steel fastening washer RONDELLA RAGGIATA

Mehcanical fastening of the waterproofing membrane through nailing and suitable washers.

5

Osmotic cementitious mortar

Apply in various coats at a maximum thickness of 18 mm using a rendering machine.

6

Epoxy paint with low dirt pick-up

Apply the finish epoxy paint in two coats on the clean and dry substrate, by brush, roller or airless spray.

7

Sheet metal washing MAPEPLAN T coupled metal sheet

Application (if required) of zinc-plated steel flashing coupled to TPO through mechanical fastening.

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