Arch Aluminum and Glass is proud to be your True Single-Source Supplier of all your needs from Specification Sections: 08400; 08700; 08800 and 08900. PBS 383 CURTAIN WALL Air: ASTM E 283: air infiltration shall not exceed .06 CFM when tested at 6.24 PSF. Water: ASTM E 331: no uncontrolled water when tested at 10 PSF. Structural: ASTM E 330: maximum deflection of L/175 with a safety factor of 1.65. Thermal: ASTM C 236: CRF shall not be less than 55: U-value shall not exceed .57 BTU. Complete System details are available on the Arch Product CD or www.archaluminum.net 01/09 CURTAIN WALL PBS 383™ PBS 383 PBS 383 is a true Curtain Wall with strong performance. This system features a 2½” sight line with varying depth back members to meet specific project and load requirements. The pressure plates are pre-loaded with a thermal separator and pre-drilling is eliminated by attachment with TEKS screws. Structural silicone glazed verticals are optional. The wide range of Arch Aluminum entrances can be integrated using sub-frame adaptors. This system can accommodate a variety of infills from 1/4” to 1”. The cover & mullion design allows for multiple finish options. PBS 383 Curtain Wall is available in standard anodized, liquid paint, or Environmentally Smart Archkote™ Powder Coat finish.