Siding Installation Niagara & Hamilton
Vinyl, Metal & Fibre Cement — Family-Owned, 30+ Years
A-1 Siding & Windows Niagara has been installing siding for homeowners across the Niagara Region and Hamilton area for over 30 years. We’re a local siding contractor based in Stoney Creek, serving St. Catharines, Niagara Falls, Welland, Thorold, Grimsby, Fort Erie, Hamilton, Dundas, Ancaster, and everywhere in between. Whether your siding is damaged, outdated, or you’re simply ready for a fresh look, this page will help you understand your options and what to expect from a professional siding installation.
Which Siding Material Is Right for Your Home?
We install three siding materials, each with different strengths. Here’s how they compare side by side.
| Vinyl Siding | Metal Siding | Fibre Cement | |
|---|---|---|---|
| Cost (installed) | $6–$14/sq ft | $8–$16/sq ft | $12–$20/sq ft |
| Lifespan | 20–40 years | 40+ years | 50+ years |
| Maintenance | Very low, never paint | Low, can repaint | Low, repaint every 10–15 yrs |
| Impact resistance | Moderate | Excellent (steel) | Very good |
| Best for | Budget & low maintenance | Durability & longevity | Premium wood look |
Not sure which is right for you? Read our full siding cost breakdown or call us at 905-662-5757 — we’re happy to walk through the options with you.
Our Siding Installation Process
1. Free Estimate & Inspection
We visit your home in person, assess the current condition, discuss material options and colours, and provide a detailed written quote — no pressure, no obligation.
2. Removal & Inspection
Old siding is removed and disposed of. We inspect the sheathing underneath for moisture damage or rot — far cheaper to catch and fix now than to seal it up behind new siding.
3. Moisture Barrier & Installation
A proper moisture barrier is installed before siding goes up. Panels are installed following manufacturer specifications, with correct fastening technique for Ontario’s freeze-thaw climate.
4. Final Walkthrough & Cleanup
We do a final walkthrough with you, clean the site completely, and haul away all debris. You’re left with a finished job and nothing to clean up yourself.
Insulation Options for Your Siding
Adding insulation during a siding project is one of the most cost-effective upgrades a homeowner can make. Since the walls are already exposed, it’s the ideal time to improve your home’s energy efficiency without a separate renovation. We offer two approaches, depending on your budget and goals.
Insulation Board Beneath Siding
Rigid foam insulation board is installed directly against the sheathing, underneath your new siding. This adds a continuous layer of insulation across the entire wall — including over the wall studs, which are normally a weak point for heat loss. It typically adds R-3 to R-6 depending on thickness, on top of whatever insulation already exists inside your walls. Insulation board also helps flatten out minor imperfections in older wall surfaces, giving your new siding a straighter, more finished appearance.
Insulated Siding Panels
Insulated siding has a layer of rigid foam permanently bonded to the back of each panel, so insulation and siding go up as a single product. This gives a consistent R-value across the wall and improves impact resistance — the foam backing helps the panel resist denting, warping, and impact from hail or debris better than standard hollow-back siding. It’s a good option for homeowners who want the energy benefit and durability upgrade without adding a separate installation step.
Why R-value matters: R-value measures a material’s resistance to heat flow — the higher the number, the better it insulates. Adding insulation at the siding stage helps reduce heating and cooling costs year-round and addresses thermal bridging through wall studs, which standard interior insulation alone can’t fully solve. For homes across the Niagara Region and Hamilton area dealing with cold winters and humid summers, this can make a real difference in comfort and energy bills.
Ask us about insulation options for your project when you book a free estimate. 905-662-5757
A Local Siding Contractor You Can Actually Reach
A-1 Siding & Windows Niagara is family-owned and operated — when you call, you’re talking to the people who own the business, not a call centre. We’ve been installing siding across the Niagara Region and Hamilton area for over 30 years, and we back every installation with our workmanship guarantee.
Frequently Asked Questions
How do I know if I need new siding?
Common signs include cracking, warping, or fading; visible gaps or loose panels; peeling paint or wallpaper inside your home (a sign of moisture getting in); increased heating and cooling bills; and mold or mildew growth on the exterior. If you’re seeing any of these across your home in Niagara or Hamilton, we’re happy to take a look during a free estimate.
Is it normal for vinyl siding to warp or sag over time?
Some minor movement is completely normal — vinyl siding is designed to expand and contract with temperature changes, and it’s actually installed with room to shift slightly rather than nailed tight. In a climate like ours, with hot summers and cold Ontario winters, that daily and seasonal movement is expected. Horizontal lap siding in particular relies on this flexibility since it has the most surface area exposed to temperature swings.
Noticeable warping, buckling, or sagging, though, is usually a sign that something went wrong during installation — most often panels nailed too tightly, leaving no room for the material to move, or improper fastening that lets the siding slip out of alignment over time. Trapped moisture behind the siding from poor ventilation can also contribute. If your siding is visibly warped or sagging, it’s worth having it looked at — we’re happy to assess it during a free estimate and let you know honestly whether it’s a maintenance issue or a sign the original installation needs correcting.
Do I need a permit to install new siding in Ontario?
In most cases, replacing existing siding on a residential home does not require a permit in the Niagara Region or Hamilton. Requirements vary slightly by municipality, and we can confirm this for your specific property during your estimate.
How long does a siding installation take?
Most residential siding jobs take 2–5 days depending on the size of the home, the material chosen, and the condition of what’s underneath. We’ll give you a clear timeline before any work begins.
Can I install new siding over my existing siding?
In some cases yes, but we generally recommend removing existing siding first so we can inspect the sheathing underneath for moisture damage or rot — a common issue on older homes throughout Niagara and Hamilton that’s far cheaper to fix before new siding goes on than after.
Does homeowners insurance cover siding replacement?
It depends on the cause of damage. Siding damaged by a covered event like a storm or hail may be covered under your policy, while normal wear and aging typically isn’t. Check with your insurance provider, and we’re happy to provide documentation or photos to support a claim if needed.
What time of year is best for siding installation?
Siding can be installed almost any time of year in Ontario, though spring through fall tends to be most common. Vinyl siding does need to be installed carefully in very cold temperatures to account for material contraction, which our installers are experienced in managing.
Do you offer financing for siding projects?
We’re happy to discuss your budget and options during your free estimate to find a solution that works for your project.
Get a Free Siding Estimate
Serving St. Catharines, Niagara Falls, Welland, Thorold, Grimsby, Fort Erie, Port Colborne, Niagara-on-the-Lake, Stoney Creek, Hamilton, Dundas, Ancaster, and surrounding areas.