info@grantech.ca  |   1079 chemin Chambly, Ste. 201, Longueuil, Quebec, J4H3M7

14 Brilliant Colours.
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Grantech ceramic coloured roofing granules


Ceramic-coated colored roofing granules

Grantech Inc. is one of only 4 manufacturers in North America that produce ceramic coloured roofing granules. The company, privately held within the Ensio family of companies, has been producing headlap and coloured granules for the rolled and steep slope roofing industry since 1961 and continues this long tradition today.


Grantech currently manufactures approximately 50% of the ceramic coloured granules consumed by the Canadian roofing industry at its plant in Contrecoeur, Quebec.

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By telephone or online

Administrative Office

Grantech Inc.

1079 Chemin Chambly, Suite 201

Longueuil, Quebec, Canada


Tél: 450.677.6333



Plant Location

Grantech Inc.

1916 Route Marie Victorin

Contrecoeur, Quebec, Canada


Tél: 450.587.5922​

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