Johns Manville is your single source for insulation in Canada. Our products include Formaldehyde free™ fibreglass insulation, closed-cell and open-cell spray foam, foam board, mineral wool and blow-in fibreglass insulation. When it comes to insulation projects ranging from large to small, you can count on Johns Manville for expertise and exceptional quality.

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Johns Manville Formaldehyde-free™ fibreglass insulation provides thermal and... more
Foam Board / Sheathing
Johns Manville Polyiso foam sheathing insulation boards provide a continuous... more
Mineral Wool
Johns Manville Mineral Wool batts are made of inorganic fibres derived from... more
Spray Foam
John Manville's complete line of spray polyurethane foam (SPF) insulation... more