Technical Specifications

Supports continued
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Shields
ATTIC INSULATION SHIELD
The AIS must be installed where the chimney enters the attic space
in any installation.
When fully extended the AIS provides joist shielding.
Designed to keep insulation away from the chimney, and to maintain
the mandatory 2" clearance to combustibles.
Size Dimensions Product Code Pack
A B C
5" 9" 19" 13" JSC5FRS 1
6" 10" 19" 14" JSC6FRS 1
7" 11" 19" 15" JSC7FRS 1
8" 12" 19" 16" JSC8FRS 1
Also known as Firestop Joist Shield.
Required where a chimney passes from one living space to another
living space or occupied attic space.
Maintains the mandatory two inch clearance to combustibles.
Shields the joist space from heat radiation.
FIRESTOP RADIATION SHIELD
CATHEDRAL CEILING SUPPORT BOX
ROOF SUPPORT
Used in pitched ceiling installations.
Supports up to 38 feet of chimney.
Matte black finish.
The Roof Support adjusts to any roof pitch.
It may be used above an offset to support the offset or as a
supplementary support when the chimney height exceeds that of the
primary support.
Supports up 50 feet of chimney.
Size Dimensions Product Code Pack
A B C
5" 7-3/16" 11" 17-1/2" JSC5CCSB 1
6" 8-3/16" 12" 17-1/2" JSC6CCSB 1
7" 9-3/16" 13" 17-1/2" JSC7CCSB 1
8" 10-3/16" 14" 17-1/2" JSC8CCSB 1
Size Dimensions Product Code Pack
A B
5" 7" 5" JSC5RS 1
6" 8" 5" JSC6RS 1
7" 9" 5" JSC7RS 1
8" 10" 5" JSC8RS 1
Add JUSI (pg. 11) to the Attic Insulation Shield for
increased performance and safety.
Add JUSI (pg. 11) to the Cathedral Ceiling Support
for increased performance and safety.
A
B
C
E
D
Size Dimensions Product Code Pack
A B C D E
5" 11" 7" 13" 11-13/16" 8-1/2" JSC5AIS 1
6" 12" 8" 14" 11-13/16" 8-1/2" JSC6AIS 1
7" 13" 9" 15" 11-13/16" 8-1/2" JSC7AIS 1
8" 14" 10" 16" 11-13/16" 8-1/2" JSC8AIS 1
DECORATOR CEILING SUPPORT
Supports up to 50 feet of chimney.
Matte black support gives a finished appearance.
Size Dimensions Product Code Pack
A B C
6" 17-7/8" 12-3/8" 8-1/4" JSC6DCS 1
8" 19-5/8" 14-3/8" 10-1/4" JSC8DCS 1