High performing custom-made window manufacturer.

The St James windows provide the highest in energy efficiency, living comfort, durability and sustainability. Manufacturered from the best of all window materials - co-extruded aluminum exterior and vinyl interior around a high density urethane foam which completely fills the frame and sash. The patented process also chemically bonds the co-extruded materials for added strength. Our windows also come standard with an outstanding glass pack which was selected for the finest in protection and c...

The St James windows provide the highest in energy efficiency, living comfort, durability and sustainability. Manufacturered from the best of all window materials - co-extruded aluminum exterior and vinyl interior around a high density urethane foam which completely fills the frame and sash. The patented process also chemically bonds the co-extruded materials for added strength. Our windows also come standard with an outstanding glass pack which was selected for the finest in protection and comfort.