MOISTURE SOURCE:
Rain

PRIMARY CAUSE: (4)
Defective or missing
footing drainage system

POSSIBLE SOLUTIONS:
-Add dehumidifier (keep
basement windows closed)
-Waterproof/dampproof interior
basement walls -Retrofit and insulate exterior basement wall (provide exterior moisture protection/repair or replace footing drainage system) -Install interior footing drain

MOISTURE ACTION AND RESULTING PROBLEMS AND SYMPTOMS:
-Water penetrating through basement walls
-Water penetrating through basement floor slab
-Water saturating base of masorny walls and/or slab
-Odour, mould, and mildew
-Buckling of wood subfloor and lift-up of floor tiles and carpeting
-Lift-up of wall paper and deterioration of wood finishes
-Discoloration, staining and texture changes of interior finishes and furnishings
-Efflorescence, spalling or crumbling of conrete and masonry surfaces

MOISTURE SOURCE:
Rain

PRIMARY CAUSE: (5)
Improperly drained
window wells

POSSIBLE SOLUTIONS:
-Change grading around house -Upgrade window wells -Install/replace window well drain

MOISTURE ACTION AND RESULTING PROBLEMS AND SYMPTOMS:
-Water penetrating through basement walls
-Odour, mould, and mildew
-Lift-up of wall paper and deterioration of wood finishes
-Discoloration, staining and texture changes of interior finishes and furnishings

MOISTURE SOURCE:
Below Ground

PRIMARY CAUSE: (6)
Defective or missing
footing drainage system

MOISTURE ACTION AND RESULTING PROBLEMS AND SYMPTOMS:
-Water penetrating through basement walls
-Water penetrating through basement floor slab
-Water saturating base of masorny walls and/or slab
-Odour, mould, and mildew
-Buckling of wood subfloor and lift-up of floor tiles and carpeting
-Lift-up of wall paper and deterioration of wood finishes
-Discoloration, staining and texture changes of interior finishes and furnishings
-Efflorescence, spalling or crumbling of conrete and masonry surfaces

POSSIBLE SOLUTIONS:
-Add dehumidifier (keep
basement windows closed)
-Waterproof/dampproof
interior basement walls -Retrofit and insulate exterior basement wall (provide exterior moisture protection/repair or replace footing drainage system) -Install interior footing drain

MOISTURE SOURCE:
Below Ground

POSSIBLE SOLUTIONS:
-Change grading around house
-Retrofit basement floor with
vapour retarder -Install sump
pump -Retrofit and insulate
exterior basement wall (provide exterior moisture protection/repair or replace footing drainage system) -Install interior footing drain

PRIMARY CAUSE: (7)
High water table

MOISTURE ACTION AND RESULTING PROBLEMS AND SYMPTOMS:
-Water penetrating through basement walls
-Water penetrating through basement floor slab
-Water saturating base of masorny walls and/or slab
-Odour, mould, and mildew
-Buckling of wood subfloor and lift-up of floor tiles and carpeting
-Lift-up of wall paper and deterioration of wood finishes
-Discoloration, staining and texture changes of interior finishes and furnishings
-Efflorescence, spalling or crumbling of conrete and masonry surfaces