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Welcome to A-1 Siding and Windows Niagara Ltd.
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The perfect exterior home renovations start with A-1 Siding & Windows Niagara Ltd.

For your home renovations, trust the experts with extremely experienced hands at A-1 Siding & Windows Niagara.

We have been proudly serving the Niagara and Hamilton regions for over 17 years.


Specializing in:


•       Siding

•       Window & Door Installation

•       Soffit

•       Fascia & Rainware

•       Architectural Decoration & Ornaments

•       Caulking

•       And so much more!

We are proud members of the Hamilton-Halton Home Builders’ Association (HHHBA). The HHHBA promotes the need for affordable, available and accessible new home construction, ensuring that high standards are met with home construction. A-1 Siding and Windows shares the same values of the association, completing all work using industry leading products, along with professional installation.


Want to get a hold of us? Click Talk Now to connect with us via the telephone.  Click Live Help button to connect with our online receptionist.  They are standing by Monday to Friday from 9 AM to 8 PM (EST).

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