Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2020 08/14/2020 - 14:25 4.0402.5c Drainage

Install a continuous drainage plane at the interior surface of the exterior basement wall or leave an airspace of at least 1/2" between insulated wall assembly and foundation wall from the top of the wall to a drainage field at the bottom of the wall or sub-slab that drains to outdoors

If foundation is rough (i.e., rubble, stone), install a waterproof membrane to which insulation will adhere

Remove bulk moisture from interior surface of basement wall

Black Line
Version 2020 08/14/2020 - 14:25 4.0402.5c Drainage

Install a continuous drainage plane at the interior surface of the exterior basement wall or leave an airspace of at least 1/2" between insulated wall assembly and foundation wall from the top of the wall to a drainage field at the bottom of the wall or sub-slab that drains to outdoors

If foundation is rough (i.e., rubble, stone), install a waterproof membrane to which insulation will adhere

Remove bulk moisture from interior surface of basement wall

Black Line