What is a casing?

What is a casing?

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Answer: an operation that aims to seal the basement walls.

Casing is a delicate operation which aims to place a waterproof box in the basement of the house to counter capillary rise and infiltration due to hydrostatic pressure. On previously stripped and bush hammered walls (and whose paint has been sanded) are successively deposited a layer of adhesion, a layer of water-repellent mortar and finally a layer of plaster, for a minimum thickness of 12 mm. No error is possible under penalty of losing the seal. Casing also includes a few delicate steps such as clogging with quick-setting hydraulic mortar for the passage of pipes and fittings. Since the walls concerned cannot be modified at all, partitions must be installed if the basement is habitable. You too, send us your DIY question.