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" DuraStile™ doors. Series 525 framing system is fabricated with shear blocks or screw spline configurations, which contributes to the systems design flexibility. Please contact EFCO's Product Technical Support Department for Blast / DoD applications.
- Screw spline construction
- Allows assembly of sections prior to installation
- Decreases installation time
- Shear block construction
- Ability to erect on the job site
- Integral door adaptors
- Compatible with all 1 3/4" EFCO doors
- Contact EFCO Product Technical Services for 2" Doors
- Joint fasteners are #12
- Simplifies fabrication
- Strengthens system
- Horizontals are square cut
- Easier fabrication and assembly
- Eliminates notching
- Exterior removable stop at sill and horizontal
- Allows glazing from the exterior
- Interlocking legs at sub-sill
- Holds sill in place
- No "blind" seals are required at the sill
- Head and jamb anchors are inside the glazing pocket
- Anchors are not visible
- Accommodates up to 5/8" glazing
- Expands design and energy savings options
- Accessory line of perimeter anchors, pocket fillers, door adaptors, etc.
- Increased product versatility
- Anodized or painted finishes available
- Unlimited options to answer economic and aesthetic concerns