Business Details
50+ Years
experience
Your Trusted Partner for Home Renovations in Thunder Bay
Established in 1975, Exterior Finishing has been Thunder Bay's trusted partner for comprehensive home renovation solutions. Our expertise spans energy-efficient windows, doors, siding, decks, sunrooms, and interior renovations, combining premium products from industry leaders like North Star and Royal Crest with meticulous installation craftsmanship. Backed by a 5-year complete coverage guarantee, we prioritize customer satisfaction through locally owned service, certified materials, and a proven track record of transforming homes across Northwestern Ontario. Our team's decades of experience ensures every project meets exacting standards for durability, energy efficiency, and aesthetic appeal. 
Services
Windows
Doors
Siding
Decks
Sunrooms
Additions
Interior Renovations
Soffit
Fascia
Eavestrough
Details
- Year established: 1975
Highlights and features
- Serving Thunder Bay since 1975 with proven renovation expertise
- Locally owned with certified installation professionals
- 5-year complete coverage warranty on all services
- Energy-efficient products from trusted Canadian manufacturers
- Guaranteed customer satisfaction with free estimates
What people say
Awesome work
Very friendly
Skilled installers
Repeat customer
Outstanding service
Services
Windows
Premium vinyl windows from North Star featuring energy-efficient designs that reduce utility costs while enhancing home comfort. Custom-fitted installations ensure optimal performance in Thunder Bay's climate. Backed by a 5-year labour warranty and manufacturer's lifetime guarantee.
Doors
Energy-efficient entrance and patio doors from Inkster Park Millwork and North Star. Steel and fibreglass options available in multiple designs to improve home security and curb appeal. Includes professional installation with 5-year workmanship coverage.
Siding
Durable vinyl and cement board siding from Royal Crest and James Hardie. Available in various profiles and colours with integrated insulation options. Resists weather damage while improving energy efficiency and home value.
Decks
Custom-designed decks using premium materials that withstand northern climates. Enhances outdoor living space while adding property value. Includes proper drainage solutions and maintenance-free finishing options.
Soffit Fascia Eavestrough
Complete soffit, fascia, and eavestrough installation with Alu-Rex leaf guard protection. Prevents water damage to foundations and maintains structural integrity. 5-year warranty covers both materials and professional installation.
Questions
What home renovation services do you offer in Thunder Bay?
We specialize in windows, doors, siding, decks, sunrooms, additions, and interior renovations using premium Canadian-made materials.
Do you provide warranties for your installation work?
Yes, all projects include a 5-year complete coverage warranty on both materials and workmanship.
Are your products energy-efficient?
Our windows and doors meet CSA and AAMA standards for energy efficiency, helping reduce heating and cooling costs.
How can I get a free estimate?
Contact us via phone or email for a no-obligation quote. Our team provides accurate cost assessments for all renovation projects.
Do you serve areas outside Thunder Bay?
We primarily serve Thunder Bay and surrounding Northwestern Ontario communities within a 100km radius.
What makes your company different from competitors?
50+ years of local experience, certified product partnerships, and a proven satisfaction guarantee set us apart in home renovations.
