Windows and Doors in Thunder Bay

Improve your curb appeal and add property value with exterior finishing services from All Season Siding and Windows in Thunder Bay. We proudly supply the following services: Seymour Windows and Doors; Vinyl, Steel, Aluminum, and Celect (cellular composite) Siding; 5″ and 6″ eavestrough; Gutter Guard – Renovation and New Construction; Soffit & Fascia installation and repairs; Aluminum Cladding; Shingled or Metal Roofing.

Also serves: Geraldton, Thunder Bay

Ontario's trusted window and door replacement company. Energy Star certified products, professional installation, and full warranty coverage. Reduce drafts, lower heating bills, and boost curb appeal.

Also serves: Thunder Bay

Ontario's trusted window and door replacement company. Energy Star certified products, professional installation, and full warranty coverage. Reduce drafts, lower heating bills, and boost curb appeal.

Also serves: Thunder Bay

Ontario's trusted window and door replacement company. Energy Star certified products, professional installation, and full warranty coverage. Reduce drafts, lower heating bills, and boost curb appeal.

Also serves: Thunder Bay

For more than six decades, Strasser & Lang has been the go-to expert in transforming Northwestern Ontario homes with exceptional roofing and comprehensive exterior services. Whether it’s new windows, doors, or upgraded siding, our passion for superior craftsmanship and fair value has earned us the confidence of over 10,000 homeowners. Experience the legacy of excellence and reliability that sets us apart. For over six decades, we have set the standard in roofing across Northwestern Ontario. Our proven craftsmanship enhances every roof by boosting curb appeal, increasing property value, and delivering lasting protection. Rely on our experienced team.

Also serves: Thunder Bay