A 1 Siding & Windows Niagara Ltd.

Siding and Aluminum installation. Specializing in Vinyl Siding, Metal Siding, Soffit, Fascia, and Eavestrough and more. Serving Niagara and With over 30 years of experience, we're a family-owned siding and window installation contractor serving the f...

Siding and Aluminum installation. Specializing in Vinyl Siding, Metal Siding, Soffit, Fascia, and Eavestrough and more. Serving Niagara and With over 30 years of experience, we're a family-owned siding and window installation contractor serving the full Niagara and Hamilton regions. Whether you're in Thorold, Welland, St. Catharines, or nearby communities, we provide trusted workmanship in siding, windows, doors, soffit, fascia, and eavestrough - all with honest pricing and long-lasting results.