About Us

  • Copper bay roof
  • Insulated vinyl siding

Welcome To KAS Aluminum & Copper Ltd.

With more than twenty years of combined experience, K.A.S. Aluminum & Copper Ltd. offers a wide range of services including: copper bay window installation, copper eavestrough installation, aluminum eavestrough installation, siding installation and more. Maintaining your home’s building envelope can both beautify and add value to your home, in addition to preventing future problems and saving you money.

We are committed to providing you with the best customer service and craftsmanship. Although we’re small, our goal is your satisfaction and a job well-done at a reasonable price.

Located in Toronto, Canada, we service the Greater Toronto Area.

Call us for a free estimate at (416) 550-0960 or use our online form!

What services does KAS Aluminum & Copper Ltd. offer?

We offer copper roof installation and copper roof repair. Learn more about our copper services.

We offer new eavestrough installation and leaf guard installation. Learn more about our eavestrough services.

We offer installation of various types of siding, including board and batten, shakes and vinyl siding. Learn more about our siding services.

In addition to our main services above, we also offer window installation, door installation and caulking services. Learn more about our other services.

Why Choose Us


We use only quality products that last. And we won’t try to sell you what you don’t need.


After years of experience, we’ve figured out what works and what doesn’t. Your home or light commercial property is one of your most valued assets, and we strive to provide you with the best workmanship always, to help maintain and improve your property.