About Us

Providing the highest-quality customer service, materials, & competitive pricing.

Our Story

At ABC Siding & Windows, we know that your home is as unique as you are. That’s why we advise you – our valued customer – based on what suits your needs. We choose the best products, methods, and install times to ensure your home’s exterior design is exactly as you picture it. 

We’ve provided high-quality vinyl, shake, and stone siding, JELD-WEN® windows, and Kento steel exterior doors for homeowners and contractors in the St. John’s region for over 20 years. Not only do we bring experienced local staff to your projects, from ownership to installers, but we also offer a ten-year warranty on all work performed. When you choose ABC Siding & Windows for your exterior renovation projects, you can expect competitive pricing, superior products, and excellent service. 

All of our tradespeople are vetted and fully covered by our liability insurance and WHSCC coverage. Our dedicated, trustworthy staff is here to help you bring your exterior design projects to life. 

If you’re a DIY-er, contractor, or have your own contractor in mind for your siding, window, or exterior door projects, we sell all of the high-quality products we use. Rest assured that you’ll get the best pricing available in the Avalon region – just reach out to discuss which exterior design products you need to buy. 

Our Guarantee

ABC Siding & Windows offers full warranties on materials and labour, giving you peace of mind. We source products from manufacturers that we know and trust from our thirty years of experience in our industry. The work we perform comes with a 10-year warranty, and most products we carry come with a lifetime warranty. 

Our Services

We install the following products and more:

  • Vinyl windows
  • Vinyl-clad steel doors
  • Solid vinyl steel doors
  • Vinyl siding and related products
  • PVC trim board
  • Wood windows
  • Wood-frame steel doors
  • Painted steel doors
  • Aluminum-clad window
  • Aluminum storm doors


No team info provided.

What Our Customers Are Saying

Had ABC siding and windows install 5 new egress windows in my apartment rentals. Very excellent experience dealing with Mike (manager) and if you have any concerns they are very speedy in getting back to you. Not to mention, the job was done incredibly well and they cleaned up all debris at the end of job completion. Would highly recommend to anyone to use ABC.

- Ibrahim Chehadi -

Professional Associations, Awards & Certifications

Contact us for your free quote.

Whether you’re looking for advice, repair supplies, or a complete revitalization for the exterior of your home, we’re happy to help.