Manufacturer of aluminum windows and sliding doors, Wojan Window and Door Corp. of Charlevoix, Mich., will show its 4500 and 4600 Series aluminum windows that recently were rated by the American Architectural Manufacturers Association, Schaumberg, Ill. The 4500 Series project- in hopper windows and casement windows have an AP-AW90 rating, and the fixed window has been rated FW-AW70. The 4600 Series project-out awning window became AP-AW70 rated, and this series’ casement window rated Heavy Commercial C-HC65. The windows feature a 2⅜-inch frame depth, with mulling and sub-frame options. An integral mulling/stacking system provides a range of multiwindow configurations within a single master frame. Standard finishes include white, bronze, clear anodized, bronze anodized, white 70 percent Kynar, bronze 70 percent Kynar, and custom colors can be ordered.Wojan Window and Door Corp.