Backwater valve installation
A backwater valve blocks sewer backup before it reaches your basement during a heavy rain.
Areas we serve
Rivière-des-Prairies–Pointe-aux-Trembles is a two-speed territory: an old village core around Notre-Dame Street and Vieux-Moulin, with century-old houses and drains just as old, and large residential sectors built after 1970 on deeper lots, with a sewer network already separated on several streets.
That difference changes the diagnosis: in old Pointe-aux-Trembles, you still find clay drains and connections patched together piecemeal over the decades, while in the newer developments the problem more often comes from a neglected sump pump or a backwater valve that was never installed than from an overloaded combined system.
A backwater valve blocks sewer backup before it reaches your basement during a heavy rain.
A camera in the drain shows exactly where it's blocked — root, sag, debris — before anything gets dug up.
Roots from a mature maple or elm find the joints of an old clay drain and eventually block it outright.
A working sump pump moves groundwater out before it gets in — and a backup pump keeps running if the power drops during the storm.
Free written quote. We call back the same business day.