See How Quality Siding or Cladding Will Change Your Property

From the GTA Lakeshore to Cottage Country including city centre infill, GM Exteriors’ teams have worked on hundreds of buildings in Southern Ontario.

We deliver excellent results, and you may have already admired our work; we provided services for various community developments including Cornell in Markham, The Orchards in Collingwood and student residences in Waterloo, while many commercial building and mall owners have trusted GM Exteriors for properties throughout the GTA.

View some of our past projects below

To get a quote or for more information, call us today at (416) 798-8383.



Natural Wood Siding
Fibre Cement Siding
Engineered Wood Siding


Specialty Wood Cladding
Specialty Metal Cladding


Architectural Ornaments & Columns
Aluminum & Copper Accents
Specialty Decking