4" Deep Standard Flat Blade Louver

E4JS

is a 4" deep louver with a standard blade. This louver style is ideal for a clean architectural appearance at a low cost. If you are intending the louvers to be used for general ventilation or air exhaust, this is the right choice. Louvers with a higher performance rating - more free area and lower pressure drop - are also available (E4JP, E6JP).

Features:

Made to order in sizes 12" wide x 12" high up to unlimited size
Made from heavy gauge 0.081" thickness aluminum extrusion
4" frame depth, channel frame
5" blade spacing
Standard blade
Internal Screen (Bird Screen)

Specs:

50.4% free area for a 48" wide x 48" high louver
888 fpm first point of water penetration
30 psf wind load design
3.70 pounds per square foot average weight

Options:

A variety of metal finishes including paint and anodizing
Insect Screen (replaces bird screen)
Mounting: flange frame, glazing channel frame, "J" channel frame
Special shapes for architectural appeal
Higher wind load ratings