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Radon Gas Sump 350mm x 350mm
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Please note this product is non returnable
Prefabricated sumps are required when a sub floor depressurization is required under full radon protection. The sump is installed beneath the floor slab in non suspended floor applications and vented to atmosphere via a connecting 110mm drainage pipe to an external source and capped off with proprietary products i.e. air bricks & telescopic under floor vents or roof vents.