All Garex doors are constructed with first-rate materials by our skilled personnel using a quality-oriented approach. For many years now, the Garex team has focused on providing clients with innovative products that are guaranteed by the company. Specifications R-16 urethane insulation: High structural resistance ensures panel rigidity. Insulation able to withstand Quebec winter conditions. Double-lip door jamb seal and panel seals. High-gauge anchor plates installed in every Garex door panel to ensure solid hinge attachment. Door dimensions: Portes Garex can manufacture garage doors up to 8.54 m (28') wide and up to 7.32 m (24') high. All of our doors can be assembled with 18", 21" or 24" panels.