2-3/4" (69.9mm) sightline
5" (127mm) depth
High thermal or Ultra thermal performance
Center glazed
Blast mitigation, hurricane resistance
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}
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 glazed
Outside glazed
Permanodic® anodized finishes in 7 choices
Painted finishes in standard and custom choice
Optional Features:
Integrated entrance framing
350/500 IR Medium Stile - single or pairs of entrances
Strap anchor at head and jamb
Acoustical rating per AAMA 1801 and ASTM E 1425
Project specific U-Factor (see thermal charts)
Product Applications:
Impact resistant
Storefront, ribbon window or punched opening
Low to mid-rise
Single span
Environmental Features
Recycled Content (pre/post mixed): average 50%
Recyclable: Yes
Sound Tranmission Class: 31.0
Reduces Solar Heat Gain: Yes
Contribures to daylighting: Yes
U-Value: 0.33
Solar Heat Gain Coefficient: 0.22
Visable Transmittance: 0.60
Environmental Product Declaration (EPD) Type III Product Specific: Yes
U-Factor, SHGC, VT and STC values are calculated using commercially available high performance glass. Please consult the glass manufacturer for actual values for your project.
Recycled content used is an average. Recycled content may range from 25-100%.
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