Carnes JCSA User Manual

Imperial [IP] Dimensions

Metric (SI) in Parentheses

SUBMITTAL SHEET

MODEL JCSA

SOUND CURB

CARNES COMPANY, 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone [phone] Fax: [phone] [e-mail]

CARNES COMPANY © 2010 COPYRIGHT

ALL RIGHTS RESERVED

SUPERSEDES 11177-D 11177-E

A SIZE

B OPENING

C

16”

(406)

1-5/8”

(41)

APPLICATION

Select ventilator for 4% additional CFM to over­come typical performance loss over standard curb.
Catalog sone ratings will be reduced approximate­ly 40% (.6 x catalog sones = sones with JCSA
Curb).

NOTES

Backdraft dampers must be mounted in duct
below curb.

STANDARD FEATURES

• 1-1/2” (38) thick 3 lb. density rigid fiberglass
insulation.

• 3” x 3” (76 x 76) cant strip.

• 18 ga. (.052) galvanized steel construction.

• 1” (25) thick 3 lb. rigid insulation baffles.

• Removable baffle assembly.

• 22 Ga. galvanized baffles, 5” (127) on center.

DIMENSIONS

“A” = Curb Cap -1-1/2” (38) - [Curb OD]

“B” = “A” -3-1/4” (82) - [Curb ID]
“C” = “A” +8” (203) - [Base OD]

LOCATION/ CURB Roof Opening

MARK MODEL O. D. CURB I. D. HEIGHT Notes

PROJECT: ARCHITECT:

CONTRACTOR: DATE: SUBMITTED BY: ENGINEER

Page ___________ of ___________

Design

Model Series Mat’l WIDTH (Size) LENGTH (Size) Height

1 2 3 4 5 6 7 8 9 10 11 12 13 14

J

C S A G 0

2 4 1 0 2 4 0 0

J - AIR

MOVEMENT

ACCESSORY

C - CRUB

S - SOUND
N - SOUND CURB

w/RAISED CANT

G - GALVANIZED
A - ALUMINUM

INCHES

FRACTIONAL

SIZE

0 - 0’’
1 - 1/8”
2 - 1/4”
3 - 3/8”
4 - 1/2”
5 - 5/8”
6 - 3/4”
7 - 7/8”

INCHES

HEIGHT

E - 16”

FRACTIONAL

SIZE

0 - 0’’
1 - 1/8”
2 - 1/4”
3 - 3/8”
4 - 1/2”
5 - 5/8”
6 - 3/4”
7 - 7/8”

MODEL DESIGNATION