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Manufacturer's Product Description

Series 525 (NT) Series 525 is a non-thermal storefront framing system developed and tested to the most stringent impact requirements. Series 525 is compatible with all EFCO standard 1 3/4" and 2" DuraStileª doors. Series 525 framing system is fabricated with shear blocks or screw spline configurations, which contributes to the system s design flexibility. The system utilizes #12 fasteners in a screw spline application, allowing for fabrication of ladders prior to installation and overall quicker installation time.


Activity with 2 1/2" x 5" Storefront Framing