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Curtain Wall System PW251

Commercial Curtain Wall System to Accommodate 1” Insulated Glass

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Series PW251 is a 2-1/2” X 7” is a screw-spline assembled pressure wall curtain wall system can accommodate 1” insulated glass for low-rise, multi-story and monumental applications. Snap-together profiles using integral screw-spilne joinery allows for the frames to be pre-assembled in panels resulting in increased productivity and quality control. PW251 options include fully captured and two-sided silicone structural glazed and 10” deep profiles are available.

Corals PW251 curtain wall system has been ASTME and AAMA performance tested. Coral also offers hurricane resistant curtain walls.

Curtain Wall System Features

Glazing gaskets:

  • Same EPDM dense gasket used on interior and exterior at glass

Screw spline joinery allows:

  • CoraPunch Die shop fabrication
  • Die set punches spline and pressure bar weep holes
  • Panelized frame assembly for easy transporting and installation

Pressure Bars:

  • Preloaded with a dense EPDM thermal isolator at factorywith attachment holes pre-punched 9” O.C.
  • Attached to back members with #12-14 x 1-1/4” HWH #3 self-drilling fasteners
  • Panelized frame assembly for easy transporting and installation

Removable snap-on interior trim covers at all horizontals allows:

  • Anchor inspection to substrate after glazing
  • Inspection and/or repair of critical joint seal areas after glazing

Injection molded plastic end dams and bridges:

  • Accurate and tight seals at intersection of vertical/horizontal joints
  • Zone glazed system with weep holes in pressure bar for water control

Injection molded plastic top and bottom vertical mullion caps:

  • Accurate compression fit
  • Provides continuous perimeter seal

Injection molded plastic temporary glazing retainer:

  • Reduces labor
  • Distributes uniform pressure on glass reducing risk of breaking glass
  • Reusable for next project

Performance Test Standards

  • ASTM E 283 – Air Infiltration Test
  • ASTM E 331 – Water Infiltration Test
  • ASTM E 330 – Uniform Load Deflection and Structural Test
  • PW251 Commercial Curtain Wall – ASTM Test Results
  • PW251 Commercial Curtain Wall – AAMA 1503-09 / NFRC 102-2010 Thermal Transmittance Performance
  • PW251 Commercial Curtain Wall – Florida Product Approval Number – FL8379 (non-impact for use outside HVHZ)