Exterior Basement Waterproofing — Edwardsville, IL
A damp or leaking basement usually starts outside, not in. Exterior waterproofing excavates down to the foundation wall, seals it, and re-establishes proper drainage — a permanent fix rather than a patch. We'll match you with a licensed local contractor for a free assessment.
Foundation Trenching
Excavation down to the footing to access the exterior wall.
Membrane Sealing
Waterproof membrane and drainage board applied to the foundation wall.
Drainage Reconnection
Tie footing drains back into a working outlet or sump system.
Typical Cost Range
Exterior basement waterproofing in the Edwardsville area typically runs $3,500–$12,000 depending on wall length and excavation depth. Use our cost calculator →