• Product Category
  • Louvered Penthouse
  • Application
  • Stationary
  • Frame Material
  • Galvanized G-90
  • Frame Thickness
  • 18 ga
  • Blade Material
  • Galvanized G-90
  • Blade Thickness
  • 18 ga
  • Blade Type
  • Drainable
  • Blade Angle
  • 45
  • Frame Depth
  • 4"
  • Free Area %
  • 43.31
  • Intake Exhaust
  • Both
  • Max Velocity FPM
  • 950
  • Rectangular Square Shape
  • Yes
  • Round Shape
  • No
  • Triangular Shape
  • No
  • Options
  • - 40
  • Standard Screen in Removable Frame
  • - 42
  • 18 x 16 Mesh Aluminum Insect Screen (Removable)
  • - 86
  • Aluminum Construction (.063" Aluminum)
  • - 47
  • 1/2" x 1/2" x 19 Gauge PV C Coated Birdscreen
  • - 36
  • Tack-Welded Construction
  • - 81
  • 16 Gauge Construction
  • - 88
  • Paint Grip Material Construction

NOTES

  1. A and B are opening dimensions. Unless otherwise specified, penthouses are made 1/2" undersize.
  2. Refer to form #4252 for louver construction.
  3. Refer to catalog #8000 for roof curb information.
  4. Large units, depending on freight requirements, are shipped knocked down in multiple sections for field assembly.

Data shown includes the effect of .051 x 3/4” diamond pattern aluminum birdscreen. Graphs are corrected to standard air density .075 lb. per cubic ft. 
RECOMMENDED MAXIMUM INTAKE FREE AREA VELOCITY 950 F.P.M.