Preparation in a shower

To achieve a perfect sealing of a shower, using the Harmony Under layer étanch'.

Do not forget to treat the corners with the special kit angle - bathroom.

Sous couche étanch

Waterproof underlay

Our waterproof underlay is a resin-sealing non-circulatory and collectible, resin-based liquid...
Price €53.76 tax incl.
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For the purchase of a polished concrete kit from 10m2