Welcome:

GM Exteriors is the largest Hardie fiber cement siding installation contractor in the GTA.

Our market extends from the Niagara Peninsula to Oshawa and north to Collingwood.

Our customers are some of the largest and best known tract and custom home builders as well as commercial and institutional general contractors.

Our wider product lines include wood sidings such as Cape Cod, Goodfellow and Maibec as well as Architectural Ornaments and Columns. We also supply and install aluminum soffit, fascia and eavestrough. We provide colour finishes in addition to the factory finishes using TexCote and Sico products.

We are committed to safety, quality and service with the goal of a superior exterior finish for your building.

We invite you to browse our site and let us help you with your upcoming projects.