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FOR CEILINGS WITH 2 X 4 JOISTS ON 24” CENTERS
Determine which ceiling joists are to be cut per STEPS 2 & 3. Locate your fan size below and follow specific instructions.
FOR CEILINGS WITH 2 X 6 JOISTS ON 24” CENTERS
Determine which ceiling joists are to be cut per STEPS 2 & 3. Locate your fan size below and follow specific instructions.
FIG. 11
FIG. 12
FIG. 13
FAN MODEL
2438
3038R*
3638R
2 X 6
FRAMING
2 X 6
FRAMING
INSIDE OPENING
24 3/4” X 24 3/4”
30 3/4” X 30 3/4”
36 3/4” X 36 3/4”
FAN MODEL
2438
3038R*
3638R
INSIDE OPENING
24 3/4” X 24 3/4”
30 3/4” X 30 3/4”
36 3/4” X 36 3/4”
Frame inside opening per chart below.
Frame inside opening per chart below.
Proceed to STEP 4.
Proceed to STEP 4.
STEP 4 - Now carefully cut hole in ceiling flush with inside of frame.
STEP 5 - Attach gasket to bottom of fan frame. Be sure gasket seals opening on all sides. Set fan over
opening. It is not necessary to anchor fan as its weight keeps it in place. Nailing fan in place is not
recommended because this tends to transmit any vibration to the framework of your house. (See
Fig. 13.)
GASKET
* With Model 3230 Shutter