Quick summary - April 22, 2026
- Job 1 (residential, Toronto suburb): eavestrough silicone corner sealing - $40-$50 per corner. Previous contractor left dried silicone mess on gutters. Scraped clean and resealed with exterior sealant.
- Job 2 (residential, Toronto): power washing Toronto home - siding, soffit, fascia, eavestrough exterior, and backyard paver patio. Hourly rate: $150/hr.
- DT Cleaning: 470+ five-star Google reviews, insured to $2M CAD, (647) 558-8411
Two calls on the same day. One homeowner in a Toronto suburb needed corners on his eavestroughs resealed after a previous contractor left dried silicone all over the gutters. The other wanted a full exterior power wash - siding, eavestroughs, and a paver patio that had not been touched in years.
Job 1: eavestrough silicone corner repair in a Toronto suburb
The homeowner called about his eavestrough system. He had hired someone two years ago to seal the corners. What he got was dried silicone caulk smeared across the gutter surface, and the corners still leaked.
When we got on the roof, the problem was obvious. The previous contractor had used the wrong type of silicone and applied it without cleaning the surface first. It had cracked, peeled, and pulled away from the metal. Water had been running behind the sealant for two seasons.
What the previous contractor did wrong
Three things:
- Used bathroom-grade silicone on outdoor aluminum. It does not bond to metal in freeze-thaw conditions.
- Applied it over dirt, oxidation, and old sealant. The surface was never prepped.
- Left silicone drips and smears across the gutter face. Cosmetically it looked worse than before the repair.
How we fixed it
We scraped off the old silicone down to bare aluminum. Cleaned the joint with a degreaser. Applied exterior-rated gutter sealant designed for Canadian freeze-thaw cycles. The sealant stays flexible at -30C and bonds to aluminum without a primer.
Each corner costs $40-$50 to seal properly. For senior homeowners, we apply a discount. The whole job took about 90 minutes on the roof.
The homeowner was an older couple who had been dealing with leaking corners for two years. Two contractors before us took their money and left the problem worse. They said they would recommend us to their neighbours - and mentioned that the neighbours also had gutter issues.
Job 2: full exterior power washing in Toronto
The second call was a two-storey home in Toronto. The homeowner wanted the siding washed but was nervous about water getting pushed under the shingles or around the window frames.
It is a fair concern. Older Toronto homes with board-and-batten or vinyl siding have gaps where water can enter if you aim the spray wrong. Angle and distance are what matter. Wash downward, never upward, and keep the nozzle at least 12 inches from the surface.
What we washed
Four areas in one session:
- Front siding and soffit - two storeys, vinyl over older wood. Green algae buildup on the north-facing wall.
- Eavestrough exterior - black oxidation streaks running down the white gutters. Pressure wash removed them in one pass.
- Back of house - charcoal grey siding with mildew spots near the ground level.
- Backyard paver patio - interlocking brick that had gone dark grey from years of moss, dirt, and leaf stain.
How we price power washing
We charge $150 per hour. The clock starts when the power washer is running and all prep is done - not when we pull up to the house. Setup time (hose, equipment, surface inspection) is not billed. Every dollar goes toward actual cleaning.
We work fast and try to cover the maximum area in the time the homeowner books. Most two-storey homes need 2-3 hours for a full exterior wash. Paver patios depend on square footage and how packed the joints are with moss.
The backyard paver patio: before and after
The paver patio took the most time and showed the biggest difference. The interlocking bricks had not been cleaned in years. We applied a foam cannon with a biodegradable cleaning solution first, let it sit for five minutes to break down the organic buildup, then pressure washed section by section.
The difference was visible in real time - each strip of clean pavers next to the dirty ones made it look like two different patios.
Key takeaways
- Eavestrough silicone corner sealing in Toronto: $40-$50 per corner using exterior-rated sealant designed for freeze-thaw
- Bathroom silicone on outdoor aluminum fails within one winter. If your corners were "fixed" and still leak, the wrong product was used
- Power washing rate: $150/hr, clock starts at first spray, not at arrival. Setup is not billed
- Two-storey house exterior (siding + soffit + eavestroughs): typically 2-3 hours
- Paver patio cleaning: foam cannon pre-treatment + pressure wash. The dirtier the pavers, the more dramatic the result
- DT Cleaning: 470+ five-star Google reviews, $2M insured, Working at Heights certified, (647) 558-8411
"If the silicone on your eavestrough corners has cracked or pulled away, it was the wrong product. Exterior gutter sealant stays flexible through a Canadian winter. Bathroom caulk does not."
- DT Cleaning field technician, Toronto
Frequently asked questions
How much does eavestrough silicone corner sealing cost in Toronto?
Why did the silicone on my gutter corners crack after one winter?
How much does power washing a house cost in Toronto?
Can power washing damage my siding or push water into my house?
Do you clean paver patios with a pressure washer?
What areas do you serve for power washing in the GTA?
Is your power washing team insured?
How often should I power wash my house in Toronto?
Do you seal paver joints after power washing?
Looking for power washing in Toronto? If your eavestrough corners are leaking or your siding has not been washed in years, call (647) 558-8411 or get a free estimate online.
Related: Power washing services in Toronto | Gutter cleaning Toronto | Eavestrough repair Toronto | House washing services | Deck cleaning Toronto
