Sharing our Guidance
Curb Adaptors
X
Curb Adaptors DEFINITIONS
DIRECT REPLACEMENT
The replacement equipment will fit on the
existing curb with no modificatio...
X
Curb Adaptors DEFINTIONS
FULL PERIMETER CURB
The existing curb will be removed and a new
full perimeter curb will be ins...
X
Curb Adaptors DEFINITIONS
DIRECT REPLACEMENT
The replacement equipment will fit on the
existing curb with no modificatio...
X
Curb Adaptors DEFINITIONS
ADAPTIVE (ADAPTER) CURB
The existing curb will be removed and the new
adaptive curb will be in...
X
Curb Adaptors DEFINITIONS
CURB ADAPTER
The existing curb will be used with an engineered
extension being added to the to...
X
Curb Adaptors
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• HOW DUCT IS MOUNTED TO CURB
• CARRIER DF/J
• HOW HIGH IS EXISTING CURB
• LOOK AT OTHER UNIT MANUFACTURER...
X
Curb Adaptors
• EXISTING HEIGHT
• SERVICE HEIGHT
• PROTECTING ROOF
• FAN PRESSURE
• USING CURB FOR RETURN AIR PLENUM
– I...
TITLE OF PRESENTATION (ON MASTER SLIDE)
CONCLUSION . . .
THANK YOU.
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111221 curb adaptors rjs

  1. 1. Sharing our Guidance Curb Adaptors
  2. 2. X Curb Adaptors DEFINITIONS DIRECT REPLACEMENT The replacement equipment will fit on the existing curb with no modifications. The existing curb must be in good shape, and the top flange of the existing curb must be at least 8 inches from the roof surface.
  3. 3. X Curb Adaptors DEFINTIONS FULL PERIMETER CURB The existing curb will be removed and a new full perimeter curb will be installed and flashed into the roof. Minimum curb height should be 12 inches.
  4. 4. X Curb Adaptors DEFINITIONS DIRECT REPLACEMENT The replacement equipment will fit on the existing curb with no modifications. The existing curb must be in good shape, and the top flange of the existing curb must be at least 8 inches from the roof surface.
  5. 5. X Curb Adaptors DEFINITIONS ADAPTIVE (ADAPTER) CURB The existing curb will be removed and the new adaptive curb will be installed and flashed into the roof. This type of curb will transition to the shaped of the replacement unit from the footprint of the existing curb that was removed. Particularly used when it is required to transfer the weight of the replacement unit to the structure.
  6. 6. X Curb Adaptors DEFINITIONS CURB ADAPTER The existing curb will be used with an engineered extension being added to the top of the existing curb, that transitions to the shape of the new unit, and the size and location of the new unit’s SA/RA openings.
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  62. 62. X Curb Adaptors • HOW DUCT IS MOUNTED TO CURB • CARRIER DF/J • HOW HIGH IS EXISTING CURB • LOOK AT OTHER UNIT MANUFACTURERS • REQUIRE SUBMITTALS FROM REPUTABLE ADAPTER CURB MANUFACTURER • EXHAUST FANS, ALSO
  63. 63. X Curb Adaptors • EXISTING HEIGHT • SERVICE HEIGHT • PROTECTING ROOF • FAN PRESSURE • USING CURB FOR RETURN AIR PLENUM – Insulated – Roof deck (sealed)
  64. 64. TITLE OF PRESENTATION (ON MASTER SLIDE) CONCLUSION . . . THANK YOU.

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