Dryerwrap for 1-hour enclosure of dryer vents, Tested assembly; equivalent to 1-hr f and t-rating – FloAire Pyroscat Enclosure User Manual
Page 10
www.morganthermalceramics.com
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P029_02:2014
Fire Rated Enclosure
Installation Technique and Design
Advisory Manual
MINIMUM 16 GAGE STEEL TIE WIRE ON 8 INCH CENTERS
UL LISTED THROUGH
PENETRATION FIRESTOP
SEALANT PER F-C-7055
OR FRD V-28
MINIMUM 1 INCH COMPRESSION OR OVERLAP JOINT
MAXIMUM 1-HOUR RATED
FLOOR/CEILING ASSEMBLY
MINIMUM 1 INCH COMPRESSION
OR OVERLAP JOINT
DRYERWRAP FOR 1-HOUR ENCLOSURE OF DRYER VENTS
The integrity of FireMaster duct systems is limited to the quality of the installation.
Minimum 16 Gage galvanized steel tie-wire installed on maximum 8" centers
FireMaster blanket (foil removed) packed into annular space (25% min. compression)
1-Hour UL Listed Floor/Ceiling Assembly
LEGEND
1
3B
4A
3A
2
FireMaster DryerWrap with 1" longitudinal and transverse compression or overlap joints
Firestop sealant per F-C-7055 (FireMaster Putty or approved alternative)
Maximum 4" Diameter, 30 Gage or Maximum 7" Diameter or 10x4" Rect, 26 Gage Duct
4B
UL Listings F-C-7055
ULC Listings FRD 28
UL Listings HNLJ.V-29
TESTED ASSEMBLY; EQUIVALENT TO 1-HR F AND T-RATING
A
A
SECTION A-A
1
4B
2
3A
3B
3A
4B
A
A
4B
4A
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