Three panes of glass are not enough to give you the benefits of a triple-pane window. True triple-pane windows require a 1-3/8” glazing pocket, creating the right airspace between the glass. This gives you excellent insulating and noise-reducing barriers. Available in picture, sliding, casement, awning and custom.
Our quad-pane window is, quite simply, unmatched. If you want the best, this is it. Four panes of glass in 2″ glazing pockets add up to truly impressive insulation and noise reduction. This is yet another proven design our engineers developed to meet even our toughest extremes. Available in casement, picture and awning designs.