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Tell us about the job and Windows & Doors Thornhill will come back with a firm price for door services in Thornhill.
Locally based technicians handling doors, windows, and locks throughout Langstaff, Thornhill.
Tell us about the job and Windows & Doors Thornhill will come back with a firm price for door services in Thornhill.


Replacing a door is straightforward. Working out whether you actually need to is the harder part, and it is where most quotes go wrong. Windows & Doors Thornhill gives Langstaff, Thornhill owners a genuine assessment first, then handles whatever follows, from a hinge adjustment to complete window installation.
Our coverage runs from single-family homes to commercial storefronts, with the same standard of finish on both.
We measure and test before quoting, because a guess on the phone helps nobody.
Failures rarely happen at a convenient hour. Our emergency crews work outside the schedule.
Fixed quotes let you budget properly instead of bracing for the invoice.
Sealed, squared, tested, and cleaned. We do not consider a job done until all four are true.
Before a door stops closing it spends months getting harder to close. Windows & Doors Thornhill would rather catch it in that window for Langstaff, Thornhill owners, because a hinge and an adjustment costs a fraction of a new door.
Frames reset, hardware renewed, seals replaced, and the whole opening re-checked, all under one quoted price.
You notice a bad window in three ways: the draft, the noise, and the bill. Windows & Doors Thornhill deals with all three at once for Langstaff, Thornhill properties by replacing the unit properly rather than patching the seal.
Measured on site, ordered to size, installed square, insulated at the edges, and cleaned up before the van leaves.
Keys snap, cylinders seize, and previous owners keep spares. Windows & Doors Thornhill handles all three across Langstaff, Thornhill with technicians who carry stock rather than promising a return visit.
Entry without damage where possible, same-visit rekeying, and honest advice on whether an upgrade is genuinely worth it.
Access control is not about high security for most buildings, it is about not rekeying every time somebody leaves. Windows & Doors Thornhill installs it across Langstaff, Thornhill with that in mind.
Sized to the doors you actually need to control, installed neatly, and handed over with the settings explained rather than left to a manual.

Most door faults are alignment rather than damage, and replacing the door fixes nothing if the frame moved. Property owners in Langstaff, Thornhill use Windows & Doors Thornhill for door repair, covering diagnosis, hinges, latches, frames, and weather seals.
Swapping a door without addressing the threshold and seals just moves the draught somewhere else. Property owners in Langstaff, Thornhill use Windows & Doors Thornhill for door replacement, covering measurement, removal, fitting, thresholds, and weather seals.
Putting a door where none existed means framing, headers, and finishes, not just the door itself. Property owners in Langstaff, Thornhill use Windows & Doors Thornhill for new door installation, covering framing, headers, fitting, trim, and making good.
Most windows written off as needing replacement need hardware and seals instead. Homeowners in Langstaff, Thornhill use Windows & Doors Thornhill for window repair, covering hinges, handles, gaskets, glazing units, and honest replacement advice.
Replacement is worth it when the frame has gone; before that it is usually money spent early. Homeowners in Langstaff, Thornhill use Windows & Doors Thornhill for window replacement, covering survey, removal, fitting, insulation, sealing, and finishing.
Cutting a new opening is structural work before it is glazing work, and the lintel comes first. Property owners in Langstaff, Thornhill use Windows & Doors Thornhill for new window installation, covering lintels, opening formation, fitting, and making good.
Don't see your area listed? We likely still serve you — just ask.
Emergency door and glass repairs plus planned window installations across Langstaff, Thornhill, all through the same Windows & Doors Thornhill team.
Emergencies get answered around the clock. Everything else gets a reply within the working day.
CALL 24/7 (289) 672-0196 EMAIL US Click to email the teamConfidential, always.