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