Roof Curb Installation; Suggested Tools - Trane Climate Changer TCFS Nstallation, Operation, And Maintenance

Roof Curb Installation

Refer to curb manufacturer's installation instructions for
more details.
It is recommended that the curb be installed directly on the
support members and fastened to the supports using tack
welds or other equivalent methods. Properly supported
decking should be installed inside the air handler section
of the curb when this method is used.
Figure 2. Cross section of typical curb installation on
new construction
Screw securing roof
felt to rigid insulation
or 2 x 10
Flashing
(field-supplied)
Roofing felt
4 x 4 cant
(field-supplied)
(field-supplied)
Roof deck
1. Verify that the roof structure can adequately support
the combined weight of the unit and curb assembly.
2. Ensure that the selected installation location provides
sufficient service and operational clearances.
3. Remove any twist within the curb due to roof supports
and square the curb.
4. Level the curb.
5. Secure the curb to the roof support members.
6. Install 2-inch thick boards or rigid insulation around the
curb.
7. Install cant strips around the curb.
8. Bring field supplied roofing felt up to the top of the curb
nailing strips. Nail felt into place.
9. Apply sealant to the four corners. Caulk all joints
between the curb and the roof. Attach the gasket
material to the curb's top flanges (entire perimeter) and
to the supply and return air duct opening panel
flanges.
10. Use a lubricant on top of the roof curb is recommended
to ease friction from lateral movements when securing
sections.
CLCH-SVX010A-EN

Suggested Tools

• Two chain come-alongs. These have the pulling power
to bring the shipping splits together, one on each side
of the unit. Cable come-alongs are not strong enough
and normally will fail. The chain versions work well.
• Two long drift pins to keep holes aligned as the
sections come together.
• One half-inch or 3/4-inch electric impact gun. These are
very effective to tighten the bolts at the base once it's
close enough together to get the bolts in.
• Caulk guns.
• Standard battery impact gun or battery drill for
installation of screw in joint strips, hubcaps, and inlet
or exhaust hoods.
• Nut setters for battery impact gun - 3/8-inch and 5/16-
inch.
• Utility knives for cutting section-to-section gasket.
• A couple of large pry bars.
• Proper size sockets and wrenches to remove lifting lugs
when in positions. Multiple size sockets. Must have 15/
16-inch and 1 1/16-inch sockets.
Support channels
Pre-Installation
11