

Four systems keep a building sealed and secure: the doors, the windows, the glass, and the locks. Neglect any one and the other three stop mattering. Windows & Doors St. Marys maintains all four for St. Marys properties, including door repair, window installation, and locksmith services.
One team across all four means nobody points at another trade when something does not line up.
Glazing, carpentry, and hardware handled by the same crew, so nothing falls between trades.
Local vans and local scheduling mean short travel times and same-day options.
Written before the work, unchanged after it, with every line explained.
If any part of the job needs revisiting inside the warranty, that visit is free.
Repairs make sense right up until they do not. When you reach that point, this is what the upgrade actually buys you.
Insulated frames and sealed glazing units stop the constant loss that an aged window can no longer prevent.
It is visible, dated easily, and expensive to do. That combination is exactly what raises a valuation.
A modern locking system spreads force across several points in the frame instead of concentrating it on one latch.
The same seal that keeps the heat in keeps the street noise out. Both improve on the same day.
Most door faults are alignment rather than damage, and replacing the door fixes nothing if the frame moved. Property owners in St. Marys use Windows & Doors St. Marys 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 St. Marys use Windows & Doors St. Marys 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 St. Marys use Windows & Doors St. Marys 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 St. Marys use Windows & Doors St. Marys 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 St. Marys use Windows & Doors St. Marys 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 St. Marys use Windows & Doors St. Marys for new window installation, covering lintels, opening formation, fitting, and making good.

Galvanised steel running the length of the profile. It resists the slow deformation that turns a wide window into one that no longer closes cleanly.
From new windows to entry doors, browse recent installations completed by our team.




Quality products, dependable service, and results that last — here is what sets our team apart.
Our front door near Queen Street had swollen shut after a wet spell. Windows & Doors St. Marys eased it correctly and sealed the exposed edge so it will not happen again.
The kitchen casement at our place around Water Street would not close flush. New hinge set fitted and the draught along the counter is gone.
Our storefront over by Church Street South had a door that would not stay shut in the wind. New closer with the right tension solved it immediately.
The patio slider at our home just off Science Hill had a cracked pane. Replaced with toughened glass and resealed neatly around the frame.
Shut out of my place out toward Avonbank on a cold night. Answered on the second ring and I was back inside within the hour.
We had five windows replaced at our house near Motherwell. Precise measuring, tidy work, and every unit sits perfectly square.
Our office entrance around Rannoch needed access control for shift staff. Configured with time restrictions and it has worked flawlessly.
The storm door over by Downtown St. Marys had a broken latch and a bent frame. Both repaired in one visit rather than replacing the whole thing.
Our side window just off Westover Park was smashed by a stone from the mower. Boarded that afternoon, replaced two days later.
The deadbolt out toward Thamesview was stiff and getting worse. They rebuilt the cylinder rather than selling me a new lock.
Don't see your area listed? We likely still serve you — just ask.
Most standard vinyl windows in St. Marys land between $650 and $1,400 installed, and the three things that move the number are the size of the opening, whether it is a slider or a casement, and the glass package you choose. A bay or bow window is its own quote and usually runs $2,200 to $4,500. We measure every opening and price it as its own line, so you can see exactly what adding or dropping one does to the total.
A typical eight to ten window home is one to two days on site, and a single entry door is a half day. We take out, fit and seal one opening at a time rather than stripping the whole house at once, so your home is never standing open and you can carry on around us. Custom sizes and special-order glass add 3 to 6 weeks before the install day, and you get that date when you order rather than when you chase us for it.
No. Windows & Doors St. Marys measures and quotes at no cost and with nothing attached to it. A full house takes about 45 minutes: we check every opening, look at the frames and sills for rot or water damage, and tell you what genuinely needs replacing against what has years left in it. The written quote reaches you the same week, itemised opening by opening rather than as a single number.
Every window we fit meets or beats the ENERGY STAR requirement for this climate zone, with low-E coated, argon-filled sealed units as the standard rather than an upgrade you pay extra for. On a St. Marys home replacing single pane or failed double glazing, most people notice the difference first in the draughts and the cold spots near the glass rather than on the bill. If your existing windows are still sound we will say so.
Our installation workmanship carries a 10 year warranty and Windows & Doors St. Marys honours it regardless of which of our crews did the original fitting. The windows themselves keep their manufacturer warranty, which on the sealed units and vinyl frames runs 20 years to lifetime depending on the line you pick. If a seal fails inside that period we handle the claim with the manufacturer ourselves instead of handing you a phone number.
Yes, and we do it right through the St. Marys winter. Each opening is out, in and sealed inside about an hour, so the house never drops more than a degree or two, and we work one room at a time with the rest of the home closed off. The foams and sealants we use are rated for cold weather installation. If the temperature or the wind makes it genuinely unsafe we move your date rather than push through it.
We remove and dispose of every old window and door, vacuum the work area and haul the debris away the same day — that is included, not a line added at the end. A straight replacement in an existing opening needs no permit in most St. Marys municipalities. If the project changes the size of an opening or cuts a new one then a permit is required, and we prepare the drawings and file the application for you.
Windows & Doors St. Marys carries full liability insurance and WSIB coverage, and we will send the certificates before any work starts if you would like them on file. Our own installers do the work — booked jobs are never passed to a subcontracted crew you have never met — and the person who quoted your job is there on the day. They walk every opening with you before packing up and show you how each new unit operates and locks.

We are here to help. Reach out and our team will get you a clear answer.
Contact UsContact Windows & Doors St. Marys for door, window, and glass repair, replacement, or installation anywhere across St. Marys.
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