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Step 1
Confirm the window style, symptoms and access requirements on site.
Window Services
Skylights
Residential skylight repair and replacement for roof-level glazed openings where leaks, failed seals, condensation and flashing-related issues affect daylight, weather resistance and interior finishes. DoorWin supports Skylights work across Toronto and the GTA for residential properties.
How we do it
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Step 2
Inspect glass, frame, operable parts and surrounding seal conditions.
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Step 3
Complete the repair, reglazing or replacement scope that fits the opening.
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Step 4
Test movement, seal, lock function and final fit after the work is done.
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Step 5
Share any maintenance notes to help the window perform longer.
Overview & Where it fits
For homes and condos that need the right residential window type for operation, daylight, ventilation and curb appeal.
We review the condition of the opening, how it is used day to day and whether the right path is adjustment, component replacement, glazing work, hardware updates or a larger replacement scope.
Common issues we address
- Leaks around skylight flashing, curb transitions or surrounding roof interfaces.
- Fogging, condensation or failed seals in fixed or venting skylight glazing.
- Interior finish damage caused by water entry or long-term skylight deterioration.
What is usually included
- Inspection of glazing condition, perimeter seals, flashing-related risk points and interior water-stain patterns.
- Recommendations focused on skylight repair, replacement or weatherproofing scope at the roof-level opening.
- Checks for visible seal integrity, daylight performance and post-service weather resistance.
Service-specific details
Where this service is commonly requested in the GTA
- Toronto upper-floor bathrooms
- North York hallway skylights
- Vaughan home additions
Related work examples
Before
After
Sealed Window Unit Replacement in North York, Toronto
A broken sealed unit in North York was replaced without tearing out the full frame, bringing back comfort, clarity, and a cleaner finished window.
Before
After
Vinyl Window Replacement for a Home Renovation in Mississauga
A rebuilt opening in Mississauga received a new vinyl window that improved insulation, tightened the fit, and gave the renovation a cleaner finish.
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Need help with Skylights?
Send a photo and a short note about the opening, damage or issue. We will review the service type, explain the likely next step and tell you whether it looks like repair, replacement, or a site visit makes the most sense.