Patent ID: 7181888

Claim:
A basement construction comprising: a primary horizontal floor slab, vertical foundation walls having an interior face and an exterior face, and a ceiling attached to horizontal floor joists; a plurality of interior wall boards attached to the interior face of said foundation walls, each of said interior wall boards having a front face and a rear face, a plurality of wall board spacer members located between said rear face of said interior wall boards and said foundation walls, said wall board spacer members adapted to provide a plurality of air passageways in the space between said rear face of said interior wall boards and said foundation walls, said interior wall boards being attached to said foundation walls in a manner adapted to provide communication between said air passageways and ambient air within said basement; a plurality of secondary floor slabs overlying said primary horizontal floor slab, each of said secondary floor slabs being made of concrete and having an under side and an upper side; a plurality of secondary floor slab spacer members located between said primary horizontal floor slab and said under side of said secondary floor slabs, said secondary floor slab spacer members being formed of concrete and adapted to provide a plurality of interconnecting passageways; an air exhaust system adapted to draw ambient air from within said basement through said air passageways and/or through said plurality of interconnecting passageways and exhaust said air from said building; and sump pump means for exhausting water from said basement.