Diagrams
Sub-Slab Depressurization - fan outside

Sub-Slab Depressurization - from inside with fan
outside

Sub-Slab Depressurization - from outside with fan outside

Sub-Slab Depressurization - Exterior Stack

Sub-Slab Depressurization - Interior Stack and
Through Roof

Sub-Membrane Depressurization - Single Suction
Point

Sub-Membrane Depressurization - Pipe Under
Membrane

Exterior Stack Details

Interior Stack with Attic Fan and Through Roof

Block Wall Depressurization

Drain Tile Depressurization - Tile Drains into
Inside Pump

Drain Tile Depressurization - Tile Drains to
Daylight Drain
