Replacement Windows: Looks and Warmth

The Columbia Series 3500 window combines the best features of aluminum and wood for windows that are durable and warm.

The exterior aluminum frame is insulated using thermal breaks. The interior is wood which can be stained or painted. The 7/8" double-glazed insulated glass comes with a 10-year limited warranty. The exterior is finished in bronze (color) or white enamel (electrostatically applied).