Top 5 Door Installers
in Thunder Bay
We compared 5 Door Installers serving Thunder Bay, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Entry door installation, Storm door installation, and Entry door replacement.
↘ Thunder Bay’s featured door installers have a FiveBest Score below the Ontario benchmark.

Strasser & Lang installs entry doors and storm doors in Thunder Bay for homes, commercial buildings and other structures. The company offers door choices for design and functional preferences, and its installation team states that it works to minimize disruption and security risk during installation.
Entry door installation · Storm door installation · Residential door installation

DKI – TIL-KA installs entry, garden and patio doors in Thunder Bay. Its official door page highlights projects where energy efficiency, security or appearance are priorities, and notes a five-year installation guarantee alongside options from Ontario-based manufacturers.
Entry door installation · Garden door installation · Patio door installation

A&R Garage Doors installs residential and commercial garage door systems in Thunder Bay. The company documents new and replacement garage doors, electric openers, and commercial overhead doors for settings including condominium parking garages, warehouses, car dealerships and townhouse developments. Insulated and non-insulated commercial door options are listed.
Residential garage door installation · Replacement garage door installation · Commercial overhead door installation
Detailed FiveBest Research is not yet available for this business.

Detailed FiveBest Research is not yet available for this business.
Thunder Bay door installers score below the Ontario benchmark
Featured door installers in Thunder Bay have a median FiveBest Score™ of 65/100, compared with 77/100 for featured door installers across Ontario.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched Door Installers in Thunder Bay
FiveBest reviews publicly available information for Door Installers serving Thunder Bay.
- Google rating and review history
- Documented services
- Years in business when available
- Thunder Bay and surrounding service coverage
- Business website and online presence
- Independent reputation signals when available
Research last updated: September 2026
Typical Door Installation Price Ranges
Price ranges are based on typical industry averages. Actual costs may vary depending on door type, size, material, frame condition, hardware, glass options, labour, disposal, structural adjustments and local market conditions.
- Interior door $250–$800
- Exterior door $900–$3,500+
- Patio door $1,500–$5,000+
- Storm door $400–$1,200
- Hardware & lockset $150–$600
Common Services
- Exterior door installation in Thunder Bay
- Entry door replacement in Thunder Bay
- Patio door installation in Thunder Bay
- Interior door installation in Thunder Bay
- Storm door installation in Thunder Bay
- Front door replacement in Thunder Bay
FiveBest Match™
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FiveBest Match™ — Coming Soon 🔒How to Choose a door installer in Thunder Bay
Compare door installation companies in Thunder Bay for exterior entry doors, patio doors, interior doors, storm doors, replacement doors, frames, hardware, locks and complete installation. FiveBest helps homeowners compare selected local door installers based on relevant services, reputation and local presence.
Compare selected door installers in Thunder Bay for exterior doors, entry doors, patio doors, interior doors, storm doors, replacements, hardware and complete installation.
Review door material, slab or prehung construction, frame, threshold, glass, hardware and weatherstripping.
Ask how the existing frame, rough opening, level, rot and water intrusion will be evaluated.
Confirm removal, disposal, frame work, insulation, flashing, trim, caulking, hardware and finishing.
For exterior doors, compare locking hardware, frame reinforcement, weather sealing and energy performance.
If the opening size or structure changes, ask whether permits, engineering or other approvals may apply.
Compare manufacturer coverage for the door and hardware with the installer’s workmanship warranty.
What Affects Door Installation Costs
- Door type and material
- Door size
- Slab versus prehung unit
- Frame condition
- Glass and sidelights
- Hardware and locks
- Opening modifications
- Interior and exterior trim
- Weatherproofing and finishing
Questions to Ask a Door Installer
- What exact door, frame and hardware are included?
- Will the existing frame be reused or replaced?
- How will the opening be insulated and weather-sealed?
- Are removal, disposal and trim included?
- How will rot or water damage be handled if found?
- Are opening modifications required?
- What manufacturer warranty applies?
- What installation warranty do you provide?
Frequently Asked Questions
Door installation costs in Thunder Bay depend on the door type, dimensions, material, frame condition, hardware, glass options, labour and whether structural or finishing work is required. Exterior and patio doors generally involve more installation work than standard interior doors.
A frame may sometimes be reused when it is square, solid and in good condition. Replacement may be recommended when the frame is damaged, rotted, warped, poorly sealed or incompatible with the new door.
Many door installers replace sliding patio doors and other exterior door systems. Confirm measurements, frame condition, glass specifications, energy efficiency, locking hardware and finishing requirements before installation.
The best choice depends on climate, insulation, maintenance, security, appearance and budget. Steel, fibreglass and wood doors each offer different performance and maintenance characteristics.
Many installers can install handles, deadbolts, hinges, thresholds, weatherstripping and other door hardware as part of the project. Confirm what is included in the quote.
Compare experience with the door type you need, product options, measurements, frame and sealing work, installation details, written estimates, warranties, cleanup and recent local reviews.