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Eavestroughs & Drainage

Downspout Installation & Repair in Toronto & the GTA

Downspouts are the cheapest part of the whole roof drainage system and the part that does the most for your basement. A crushed downpipe, a missing extension dumping water at the corner of the house, or one downspout trying to drain half the roof — each one puts hundreds of litres per storm exactly where you do not want it: against the foundation wall.

The work itself is straightforward, which is why it gets done badly so often. A downspout replacement should match the trough outlet size, be strapped solid to the wall, and end somewhere useful — an extension carrying water at least a couple of metres out, onto a splash pad, with grade running away from the house. Toronto also requires most homes to keep downspouts disconnected from the sewer system, so old pipes that still drop into a standpipe need proper downspout disconnection, capped and redirected.

We quote everything from a single new downpipe to redoing every drop on the house, and we will tell you when the cheap fix is the right one — often a ten-dollar hinged extension solves what looked like a drainage project. What we will not do is leave a downspout ending in a flower bed against your basement wall and call the job done.

What this covers

  • New aluminum downspouts sized to match the trough outlet — including oversized where a big roof section demands it
  • Replacement of crushed, split or rusted-out downpipes and elbows
  • Secure strapping to brick or siding at proper intervals
  • Extensions and splash pads that carry water well clear of the foundation
  • Downspout disconnection from old sewer standpipes, with the stub properly capped
  • Hinged or removable extensions where they would otherwise block a walkway or mower
  • Flushing the connected trough run so the new downspout is not fed by an old clog
  • Re-routing drops that were placed somewhere useless — over a walkway, a deck or a neighbour's fence line

Just need one small job done?

Reattach a fallen downspoutAdd a downspout extension

What affects the price

  • How many downspouts are being replaced, added or re-routed
  • Height — a three-storey drop needs more pipe, more straps and more ladder time than a bungalow
  • Standard versus oversized downspout to match the roof area draining into it
  • Wall material; strapping into brick or stone is slower than into wood or siding
  • Disconnection work on old sewer-connected pipes, including capping the standpipe
  • How far water has to be carried to reach ground that slopes away from the house
  • Colour matching to existing eavestrough and trim

Every home is different, so we don’t publish flat prices — the quote is free and based on your actual job.

Downspout Installation & Repair near you

We take quote requests across the GTA. Local pages:

TorontoEtobicokeNorth YorkScarboroughEast YorkYorkMississaugaBramptonCaledonVaughanMarkhamRichmond HillAuroraNewmarketKingWhitchurch-StouffvilleEast GwillimburyGeorginaPickeringAjaxWhitbyOshawaClaringtonUxbridgeOakvilleBurlingtonMiltonHalton HillsHamiltonSt. CatharinesNiagara FallsGrimsbyNiagara-on-the-LakeBarrieInnisfilBradford West GwillimburyNew TecumsethKitchenerWaterlooCambridgeGuelphOrangeville

Common questions

How far should a downspout extension carry water from the house?
Two metres out is a sensible minimum; further if your grading is flat or slopes back toward the wall. The goal is simple — by the time water hits soil, it should have no path back to the foundation. A splash pad at the end stops the outlet from digging a hole that becomes its own little pond.
Is downspout disconnection mandatory in Toronto?
For most of the city, yes — Toronto phased in mandatory disconnection from the sewer system years ago, and other GTA municipalities have similar programs to reduce basement flooding and sewer overload. If your downpipe still disappears into a standpipe at the ground, it likely should be disconnected, capped and redirected onto grade. It is a small job, and we fold it into any downspout work.
Why does my basement leak near the downspout?
Because the downspout is delivering the entire roof section's water to that one spot. If the extension is missing, too short, or dumping onto ground that slopes toward the house, every storm soaks the soil against your foundation until it finds the crack. Before pricing waterproofing, fix the downspout and grading — it is a fraction of the cost and very often the actual cure.
How many downspouts does my roof need?
A rough rule: one downspout per ten to twelve metres of trough, and more where valleys concentrate flow. If a gutter overflows in heavy rain but is clean and properly sloped, it is usually starved for outlets, not defective. Adding a downspout mid-run is a small job that fixes chronic overflow better than any amount of resealing.
Can you just replace one damaged downspout without redoing the eavestroughs?
Yes — downpipe repair is routine as a standalone job, and a new white or brown downspout against older trough is barely noticeable once it is up. We flush the run it drains while we are there, since a crushed pipe often hides a clog above it. No one should be selling you a full gutter replacement to fix one flattened downpipe.

Ready to sort out your downspout installation & repair?

Tell us what your roof needs — one small repair or a complete replacement — and get a free quote.

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