Great Northern Home Exteriors Inc. has been proudly serving homeowners across Niagara since 2009. We specialize in professional installation of replacement windows, entry doors, siding, eavestroughs, soffit, and fascia. As an authorized dealer of KV Custom Windows and trusted brands like Dorplex and Royal Siding, we deliver Canadian-made products backed by strong warranties. Our team is fully insured (WSIB coverage) and committed to quality craftsmanship, energy efficiency, and lasting value. Whether you need a full-frame window replacement, a new steel or patio door, or complete siding and eavestrough installation, you can count on us for expert service and no-pressure sales. We’re proud to be a locally owned company in St. Catharines, Ontario, dedicated to enhancing homes throughout Niagara Falls, St. Catharines, Welland, Port Colborne, Niagara-on-the-Lake, and Fort Erie. 📞 Contact us today for a free, no-obligation quote and discover why Niagara homeowners have trusted Great Northern Home Exteriors for over 15 years.

Niagara-on-the-Lake

+1 (289) 362-2644

gnhe.ca/

Free

Greater Niagara Chamber of Commerce

Greater Niagara Specialty Pharmacy - Compounding Pharmacy

Greek Orthodox Community Church

585 Niagara St, St Catharines, ON, CA

Free

Restaurants & Dining

GreenFlow Corp

Professional Services

Greenbelt Property Management

5.0(3)

St. Catharines

+1 (905) 685-0305

greenbeltmanagement.ca/

Free

Shopping & Retail

Greener Grass Cannabis

3.8(5)

St. Catharines

+1 (905) 641-9333

greenergrasscannabis.ca/

Free

Landscaping

Greenex International Inc

St. Catharines

+1 (905) 682-4769

greenex.com/contact-us/

Free

Accounting & Finance

Greenham Chas R

58 Spring Garden Blvd, St Catharines, ON, CA

Free

Home & Garden

Greenhorizons Sod Outlet

3.3(3)

130 Bunting Rd, St Catharines, ON, CA

St. Catharines

+1 (905) 984-8448

greenhorizonssod.com/

Free

Professional Services

Greenwood Electrical

St Catharines

Free

Gregory Floral

Greves Automotive Services Ltd.

4.8(5)

1 Spring St, St Catharines, ON, CA

Construction & Renovation

Grey Rock Masonry Inc.

Grey Rock Masonry Inc. offers: Brickwork and Blockwork: They could provide services related to the construction, repair, or restoration of brick walls, facades, chimneys, and other brick structures. This might involve tasks such as laying bricks, building walls, repairing mortar joints, and more. Stone Masonry: This might include services related to working with natural or manufactured stone materials. They could offer stone wall construction, stone facade installation, stone pathways, patios, and more. Fireplace and Chimney Construction/Repair: They could specialize in building and repairing fireplaces and chimneys, ensuring they are safe, functional, and aesthetically pleasing. Tuckpointing and Repointing: This involves repairing or replacing mortar joints in brick or stone structures to enhance structural integrity and appearance. Paving and Hardscaping: This could involve creating pathways, driveways, patios, and other outdoor surfaces using masonry materials like bricks, stones, and concrete pavers. Parging Services: Application of a cement coating, which is applied over a wall surface, such as over a foundation, or exterior wall. Most common is the process of parging over a masonry foundation wall or a masonry chimney. It's important to directly contact Grey Rock Masonry Inc. get accurate and up-to-date information about the specific services they offer in the Niagara Region.

St. Catharines