Suggested installation detail for grease hoods, Hood above ceiling, Hood – FloAire Pyroscat Enclosure User Manual
Page 26: Hood below ceiling wrapped unwrapped
www.morganthermalceramics.com
Page 25
P029_02:2014
Fire Rated Enclosure
Installation Technique and Design
Advisory Manual
Hood installation must be approved and in compliance with the code.
All joints should be installed with tight butt joints on both layers, or minimum 3" overlap on outside layer.
Minimum 12 gauge steel insulation pins
Two layers XL Insulation installed per UL Listing HNKT-G18
Pins are installed on 10-1/2" o.c., and centered on 3" overlaps or maximum 3" on both sides of outside layer butt joints.
XL022-2
4
Notes:
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2
3
1
LEGEND
Steel banding 1/2" wide min.
Butt Joints (shown) or 3" min perimeter overlap - see note on pin spacing
Speed clips
Suggested Installation Detail For Grease Hoods
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4
3
Ceiling
Hood Above Ceiling
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3
3
4
Ceiling
Hood
Hood
1
Ceiling
Ceiling
Hood
Hood
5
Hood Below Ceiling
Wrapped
Unwrapped
4
3
There is no test standard for wrapping grease duct hoods. Approval is subject to the Authority Having Jurisdiction
The integrity of the Thermal Ceramics duct systems is limited to the quality of the installation.
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1
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P029_Install_PS_2 2014.indd 25
2/28/14 9:21 AM