Carpentry & Home Organization
Professional Pet Door Installation Toronto integrated into exterior door by CNG Contracting.

Pet door installation

Professional pet door installation in Toronto & GTA. We cut the opening, install the frame and test the flap seal so your pet door works properly and doesn't let cold air in when it's closed. Book online and our team will reach out to schedule.
Licensed & Insured
15+ Years Experience
Warranty Included
Top Rated
Detail Oriented
Pet door installation
Pet door installation

Detailed Description

Pet Door Installation in a Toronto & GTA Home Has to Get the Weatherseal Right

A pet door that works perfectly in summer becomes an energy problem in Toronto & GTA’s winters if the flap seal isn’t effective. Cold air infiltrating through a poorly sealed flap — particularly in Toronto & GTA’s winter temperatures — is a constant heating load. The common failure modes are flap material that stiffens in cold and doesn’t seal flat, frame installation that leaves gaps at the rough opening edges, and door or wall installations where the through-frame depth creates air movement rather than sealing against it. A pet door that seals well is one of the more practical home modifications a Toronto & GTA pet owner can make. One that doesn’t costs in heating costs every cold month.

At CNG Contracting, pet door installation in Toronto & GTA is done with the weatherseal as the primary performance criterion: correct product selection for the door or wall material, precise cutting to the frame manufacturer’s specifications, proper frame installation with insulation of any gap around the rough opening, and a seal test before the job is done at your Toronto & GTA home.

What Pet Door Installation Covers in Toronto & GTA

  • Product Selection: Pet door size appropriate to the animal — too small is obvious, too large means unnecessary flap area and seal perimeter. We advise on size selection for your specific Toronto & GTA home’s residents.
  • Door vs. Wall Installation: Installation through a door is simpler. Wall installation through an exterior wall in a Toronto & GTA home requires cutting through multiple layers including exterior cladding — both are within our scope.
  • Precise Cutting: Manufacturer’s template used for correct opening dimensions — cuts that are too large can’t be made smaller and compromise the frame seal.
  • Weatherseal Verification: Flap closure tested against the seal strip before the installation is complete — a flap that doesn’t contact the seal at all four edges needs adjustment.

A properly installed pet door in your Toronto & GTA home gives your animal independence and costs you nothing extra in heating bills. Book your installation today.

Service Details

IncludesSize recommendation, opening cutting, frame installation, insulation gap filling, seal test
Time on site1 to 3 hours depending on installation type
Warranty2 years on installation workmanship
Licensed & insuredYes
Service areaToronto & GTA and surrounding GTA

Frequently Asked — Pet Door Installation in Toronto & GTA

Can a pet door be installed in a steel or fibreglass door in my Toronto & GTA home?

Yes — steel and fibreglass doors are within our scope for pet door installation. The cutting method differs from wood doors. We advise on the appropriate approach and any specific considerations for your door material during the booking confirmation.

How do I book pet door installation in Toronto & GTA?

Book online in under two minutes. Our Toronto & GTA team contacts you directly to confirm door or wall type and schedule your installation.

Selecting the Right Size and Location for a Pet Door in Your Toronto & GTA Home

Pet door size should be based on the largest pet who’ll use it: measure the shoulder width and back height of the animal and choose a flap that provides comfortable clearance. Undersized flaps teach pets not to use the door — the whole point is eliminated. Location depends on where the pet needs access: kitchen door to a fenced backyard, garage side door for a Toronto & GTA home with a fenced side yard, or an exterior wall where a door isn’t conveniently located. Wall installations require cutting through the exterior wall assembly of your Toronto & GTA home — we assess the wall construction, confirm there are no utilities in the cutting path, and handle the exterior cladding repair so the installation looks finished from outside as well as inside.

Requires inspection: Yes
Estimated Time: 8 to 24 hours
Materials included: Not included (unless specified)
Warranty Period: 2 years
Service Complexity Basic

Why is a Technical Visit necessary?

Cutting into a door or wall requires precision to avoid compromising the home's structural integrity, insulation, or hidden electrical wiring (in wall mounts). Our Pet Door Installation assessment ensures the chosen location is safe to cut and that the door model fits the thickness and material of your entry point perfectly.

Step 1 of 3 · OVERVIEW

SCHEDULE AN INSPECTION

Request your technical visit.

Tell us what you need and a certified specialist will visit you to evaluate your project and give you a real quote the same day.


  1. 1
    Real diagnosis in your home. A technician evaluates materials, measurements, access, and local regulations.
  2. 2
    The visit cost is discounted from the project. The fee is fully credited to your final invoice once you approve the quote.
  3. 3
    No commitment if you don’t approve the quote. If you don’t accept the quote after the visit, there is no obligation to proceed.
  • Certified technicians — licensed & insured
  • Real quote — same day as the visit
  • No surprises — no hidden costs
✓ Certified technicians ✓ Insured ✓ No hidden costs
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