IR 501T/501UT Framing

2-3/4" (69.9mm) sightline
5" (127mm) depth
High thermal or Ultra thermal performance
Center glazed
Blast mitigation, hurricane resistance

Product Features

IR 501T thermal framing systems and IR 501UT (Ultra Thermal) framing system combines IsoLock™ thermal break technology with insulating impact resistant glazing to provide the ultimate in occupant safety and comfort.

Key Features Include:

IR 501T/501UT is 5" (127) deep and has a 2-3/4" (69.9) sightline / Expansion mullions have a 3" (76.2) sightline
2-piece or 3-piece mullion options
Screw Spline fabrication
IR 501T has an IsoLock™ lanced pour and debridge thermal break
IR 501UT has a dual IsoLock™ lanced pour and debridge thermal break
Center set
Outside glazed
Permanodic™ anodized finishes
Painted finishes in standard and custom choice

Optional Features:

Integrated entrance framing
350/500 IR Medium Stile - single or pairs of entrances

Product Applications:

Impact resistant
Storefront, ribbon window or punched opening
Low- to mid-rise
Single span

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