Description: The standard SLB stationary louver is manufactured from 16ga galvanized material formed and riveted. The stationary blades are a "J" style positioned at a 45 degree angle and spaced approx. 4"+/- on center. 20ga 1/2" galvanized mesh screen is positioned on the back side of the louver.

Standard Style - Galvanized Construction: Optional: Galvanneal ( Paint grip) Order duct size WxH width x height-all louvers will be 1/4" smaller both ways.(2" deep frame is standard on all louvers 12" height and under)

Aluminum 3003 Construction:

Kynar Aluminum Color Clad Construction:

Options:2" deep frame (standard on 12" height and under) 4" deep frame (standard) 6" deep frame Sill Extension

(SLB) Standard Louver Box

( 7 6 3 ) 7 8 3 - 7 1 7 3 • ( 8 0 0 ) 2 9 7 - 9 3 6 0 • F a x : ( 7 6 3 ) 7 8 5 - 6 9 7 7 • 2 8 1 C o m m e r c e C i r c l e S o u t h , P O B o x 3 2 6 1 0 • M i n n e a p o l i s , M N 5 5 4 3 2

Frame: 16ga galvanized formed – 4" deep

Blades: 16ga galvanized formed – riveted to frame

Screen: 1/2" dia. 20ga galvanized expanded metal

Max. Single Section: 36"x72", 72"x36", 54"x54" (See free area chart*)

Multiple section assembly: Unlimited

Frame: .063 3003 aluminum formed – 4" deep

Blades: .063 3003 aluminum formed – riveted to frame

Screen: 1/2"dia. .032 aluminum expanded metal

Max. Single Section: 60"x36", 48"x60"

Multiple section assembly: Unlimited

Frame: .050 aluminum color clad formed – 4" deep

Blades: .050 aluminum color clad formed-riveted to frame

Screen: 1/2"dia. .032 aluminum expanded metal

Max. Single Section: 48"x60"

Multiple section assembly: Unlimited

4"+/-

4"

Model: SLB Standard Louver Box

Free Area Chart for (SLB) and (SLF) Louvers

( 7 6 3 ) 7 8 3 - 7 1 7 3 • ( 8 0 0 ) 2 9 7 - 9 3 6 0 • F a x : ( 7 6 3 ) 7 8 5 - 6 9 7 7 • 2 8 1 C o m m e r c e C i r c l e S o u t h , P O B o x 3 2 6 1 0 • M i n n e a p o l i s , M N 5 5 4 3 2

12" 18" 24" 30" 36" 42" 48"

8" 0.143 0.225 0.300 0.378 0.456 0.534 0.612

10" 0.230 0.355 0.479 0.605 0.730 0.855 0.983

12" 0.287 0.443 0.599 0.758 0.915 1.07 1.22

14" 0.373 0.576 0.780 0.983 1.19 1.39 1.59

12" 18" 24" 30" 36" 42" 48" 54" 60" 66" 72"

12" 0.272 0.421 0.569 0.718 0.870 1.01 1.16 1.31 1.46 1.61 1.76

14" 0.344 0.532 0.719 0.908 1.10 1.28 1.47 1.66 1.85 2.03 2.22

16" 0.488 0.750 1.02 1.28 1.55 1.82 2.08 2.35 2.61 2.88 3.14

18" 0.516 0.795 1.08 1.36 1.64 1.92 2.21 2.48 2.77 3.05 3.33

20" 0.631 0.975 1.32 1.66 2.00 2.35 2.69 3.04 3.38 3.73 4.07

22" 0.731 1.13 1.53 1.93 2.33 2.72 3.12 3.52 3.92 4.32 4.72

24" 0.745 1.16 1.56 1.97 2.37 2.78 3.18 3.59 4.00 4.40 4.81

28" 0.945 1.46 1.98 2.49 3.01 3.53 4.04 4.55 5.07 5.59 6.11

30" 0.990 1.53 2.07 2.60 3.14 3.68 4.22 4.76 5.30 5.84 6.38

32" 1.15 1.77 2.40 3.02 3.65 4.27 4.90 5.52 6.14 6.77 7.40

36" 1.35 2.08 2.81 3.55 4.28 5.02 5.75 6.49 7.22 7.96 8.69

40" 1.43 2.21 2.99 3.78 4.56 5.34 6.12 6.90 7.68

42" 1.55 2.39 3.23 4.08 4.92 5.77 6.61 7.46 8.30

44" 1.65 2.54 3.44 4.34 5.24 6.14 7.04 7.94 8.84

46" 1.76 2.72 3.69 4.65 5.61 6.57 7.53 8.49 9.45

48" 1.86 2.88 3.89 4.91 5.93 6.94 7.96 8.97 9.99

54" 2.14 3.30 4.46 5.63 6.79 7.96 9.12

60" 2.51 3.87 5.24 6.61 7.97 9.35 10.71

70" 2.75 4.25 5.75 7.25 8.75

72" 2.81 4.34 5.87 7.40 8.93

2" Deep Louver

4" Deep Louver

FA = CFM divided by FPM