Kolbe Casements offer high energy efficiency, convenience, and plenty of daylight. The sash swing open at the side, then close and seal tightly to the frame. Weather-stripping prevents air infiltration. Many models, shapes and configurations are available. For product-related questions, please email architects@kolbe-kolbe.com #door #doors #kolbe #kolbe_and_kolbe #millwork #opening #window #windows
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