Ontario's foundation and basement specialists. We trace water back to where it actually gets in, stop it at the source, and turn the space below your home into something worth living in.
Most basement leaks aren't random — they follow the same path every time: groundwater builds pressure against the foundation, finds the weakest point, and pushes through. Here's exactly what's happening below grade, and where we intervene.
Damp patches or pooling along the floor–wall joint after heavy rain.
Vertical or stair-step cracks letting water and pressure through.
White chalky residue — the fingerprint of water moving through concrete.
Trapped moisture feeding mould growth and damaging finishes.
Seven core services that protect your foundation and reclaim your basement — each one a dedicated page with the full process, signs to watch for, and what's included.
Excavation, membrane and drainage that stops water before it reaches the wall.
Explore →Interior drainage, weeping tile and sump systems to control water that's getting through.
Explore →Injection, structural reinforcement and wall stabilization, sealed for good.
Explore →Drainage and pump systems that move groundwater away from your foundation.
Explore →Thermal imaging and moisture mapping to find the true source first.
Explore →Framing, flooring, bathrooms and finishing that reclaim the dry space.
Explore →We don't chase symptoms. We diagnose why water is getting in and solve that — so it stays solved.
Detailed estimates with no hidden surprises. You know the scope and the number before we dig.
Every project follows industry best practices, from excavation to final restoration.
Trusted membranes, drainage and systems built for Ontario's freeze-thaw and long-term performance.
On-site assessment with moisture meters and thermal imaging to read what's really happening below grade.
We map the water's path to its source and recommend the right system — interior, exterior, or both.
Excavation, membrane, drainage, crack repair or sump install — executed to industry standard.
Backfill, clean restoration, and the option to finish the dry space into a room you'll actually use.
From a damp, unfinished foundation to dry, finished living space. Drag the handle to reveal a SOLVEX basement transformation.
View the full gallery →"Our basement flooded every spring for years. SOLVEX found the actual source, did exterior waterproofing, and we've been bone dry since. No more patch jobs."
"Clear quote, no surprises, and they explained every step. The crack injection held through the worst rain we've had. Genuinely professional."
"They waterproofed and then finished the basement — new living room and bathroom. Same team, one timeline. Couldn't be happier."
Proudly serving homeowners across the Greater Toronto Area and the Golden Horseshoe — including Toronto, Mississauga, Brampton, Vaughan, Richmond Hill, Markham, Burlington, Oakville, Hamilton, Milton, Ajax, Pickering, Oshawa, Whitby, Kitchener and Cambridge, and surrounding Ontario communities.