400-Impact Series

High Performance Design

400-Impact Series Windows

Product line includes: Tilt Single Hung, Sideload Single Hung, XO and XOX Horizontal Slider and Picture Window. This coastal product is available in new construction and replacement configurations with a 3-1/4″ frame depth.

The Single Hung and Picture Window meet Missile Level D and Wind Zone 4 Impact test rating in accordance with ASTM E 1886-05 and ASTM E 1996 -05 and meets Miami-Dade County Large Missile (Single Hung, XO Horizontal Slider) TAS201, TAS202, TAS203, High Velocity Hurricane Zone and Miami-Dade requirements (54″ x 76″).


  • For ease of new construction installation, it comes with an integral pre-punched nailing fin.
  • Frames available for wood and concrete block installation.
  • Accepts up to 1″ insulated glass.
  • 3/4″ balance pocket can accommodate high performance tilt balance systems.
  • The optional structural mull system adds additional strength to multiple window combinations.
  • Double wall lift handle for durability.
  • Sash anti-lift feature on Horizontal Slider.
  • Sill riser available on Horizontal Slider for improved water performance.
  • Direct set Picture Window matches aesthetics of Single Hung and Horizontal Slider.
  • Welded frame and sash enhances structural integrity and increases durability.
  • Contoured frame with double wall “Florida” flange.
  • Subtle accessory grooves come standard so you can securely accommodate trim and other attachments.
  • Multiple accessories available.
  • A beveled exterior offers a pleasant, aesthetic design.
  • Triple Weatherstripping provides extra protection against air-infiltration and enhances the energy efficiency.
  • The sash is SDL (Simulated Divided Lite) bar compatible.
  • Meets AAMA Grade LC50 structural test standards with upgrades available to meet light commercial Grade LC65.


Test Standard – AAMA/WDMA/CSA 101/I.S.2/A440.11, NAFS

  • Tested to H Class LC50 (54″ x 76″)
  • Tested to H Class LC65 (36″ x 72″)


  • The 400I performs to a U-Factor result with a range from 0.27 to 0.29
  • The 400I performs to a SHG result with a range from 0.18 to 0.29