Special Systems · Expanded life-safety master guide
Grease Duct Systems
Ten expanded field guides for commercial grease duct: welded and listed systems, drainage, risers, elbows, hood and fan connections, access doors, rated shafts, and exposed stainless.
Grease duct is a fire/life-safety system.
These guides help an apprentice understand the sequence and inspection points. The adopted code, approved design, qualified welding procedure, and exact listed-system instructions control the actual installation.
These guides help an apprentice understand the sequence and inspection points. The adopted code, approved design, qualified welding procedure, and exact listed-system instructions control the actual installation.
Every guide teaches the full task
1Before you start
2Lay it out
3Set and support it
4Make the connection
5Check the install
6Common mistakes
7Stop and ask
Grease Exhaust SystemsExpanded guide
Welded grease duct straight run
Horizontal kitchen exhaust
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Factory-listed grease duct system
Modular kitchen exhaust
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Grease duct horizontal run with slope
Drainage-controlled horizontal run
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Grease duct vertical riser
Vertical kitchen exhaust
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Grease duct 90-degree elbow
Change of direction
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Grease duct transition at hood
Hood collar transition
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Grease duct fan curb connection
Roof exhaust termination
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Grease duct access door
Cleaning access
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Grease duct through rated shaft
Fire-rated enclosure penetration
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Stainless grease duct exposed in kitchen
Visible commercial kitchen run
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