Installation preparation, Construct ceiling support – GE ZV925SLSS User Manual
Page 9
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Plan the Location of the Hood and Ductwork
• Use a plumb bob to check the location. The
countertop/cooktop below the hood must be
centered with the hood.
• The hood should extend beyond the front and rear
edge of the cooking appliance.
• The duct in the ceiling must be centered over the
cooktop.
CONSTRUCT CEILING SUPPORT
Installation Preparation
Top view – ceiling joists parallel to front of hood
10-1/16"
Install cross-framing
symmetrically over
duct/cooktop
centerline
16" joist
spacing
7-1/16"
8” duct
Front
of
hood
2x4 cross
framing
Cooktop
outline
Align duct
to center of
cooktop
Ceiling Support Structure
• At the hood location, install 2 x 4 cross framing
between ceiling joists as shown. (2x4’s are required to
support the weight of the hood.)
• Arrange cross framing in the ceiling to suit the
existing structure.
• Your ceiling joists will be like one of the following
examples.
EXAMPLE A
Ceiling
Hood
ducting
centerline
Cooktop
Countertop
Front
27-9/16"
13-3/4"
Side view
Align with
center of
cooktop