Prefabricated sumps are required when a subfloor depressurisation 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 underfloor vents or roof vents.

Dimensions: 430mm (W) x 430mm (L) x 220mm (D)