2026-03-11
Interior vs exterior waterproofing in Wasaga Beach
Interior manages water at the wall. Exterior keeps water off the wall. Wasaga-area homes usually need one or the other, and the water table often decides which.
Interior: collect and pump
We open the slab at the perimeter, set a drain, line the wall and pump the water out. It is faster, usually less costly, and kinder to decks and beach plantings. It is the right call for cove-joint leaks and seasonal places you cannot empty for a week of excavation.
Exterior: stop it outside
We dig to the footing and rebuild the barrier when sand and access allow. Best when the wall face is wet or the original membrane has failed. It takes longer and costs more because excavation in wet ground is the job.
How we choose
Entry point, soil, how long you plan to own the place, and whether the yard can take a trench. We will tell you if a cheaper interior system would only hide a wall that is still taking a beating.
