Kolbe & Kolbe Millwork Co. Inc.
Kolbe 4500 Series includes fixed and tilt-turn windows, tilt and slide doors, and outswing hinged doors. The steel-reinforced uPVC products come in North American 3-1/4-inch frame with nailing fins or European 2-3/8-inch frame and feature dual overlapping neoprene gaskets, and standard 1-inch insulated glass.
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