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Series 451 & IT451

Series IT451 Offers improved thermal performance using the Poly-Aluminizer and Struct_Link Thermal Break Technology. Series 451 and IT451 may be interior or exterior glazed. A top load E.P.D.M. gasket is used to position and weatherseal the glass in the aluminum pocket.


2" x 4 1/2 or 1 3/4" x 4 1/2"
1/4" or 1" Glazing
Mechanically Fastened and Welded Corners
Narrow, Medium, and Wide Stiles
Accommodates Most Custom Hardware
Standard Push/Pulls Handle
Available in Anodized or Painted Finishes

Storefront Entrance Doors available too.

Now Offering 30% Off All Windows. Call
773-376-6688or CONTACT us online.



1300 W 35Th St
Chicago, IL 60609
T: 773-376-6688