9
Undermount-Installation
Preparing the cabinet
Preparing the countertop
Install wood supports (Not included)
Apply painter’s tape to the cabinets for marking and cutting
purposes. This will protect the cabinet from damage while
cutting.
Outline the cutout on the front of the cabinet according to the
actual sink.
OUTLINE FOR APRON
FRONT SINK CUTOUT
Measure the sink apron and the cabinet opening to make sure the
sink apron will fit into the cabinet opening. If necessary, sand the
opening or add wood filler strips.
Prepare the cabinet and create a support frame inside the cabinet
that the sink will sit on. Use 2x4 solid wood studs to create the
support frame. Your cabinet and support frame should be strong
enough to hold up to 200 lbs of weight once installed. The support
frame should be positioned so that the top of the sink rim is level
and flush with the top surface of the cabinet perimeter. Make sure
the support frame leaves room for the drains, the faucet water lines,
and the garbage disposal (if any).
Place a thin layer of sealant on the supporting frame where it will
contact the sink.
Due to the various cutout sizes possible (based on your prefer-
ence) a cut-out template is not provided. Use the actual sink
measurement to determine the actual location of the cutout.
Ensure adequate clearance behind the sink for any faucet and
backsplash.
Trace the cut-out opening on the countertop. Cut out the opening
in the countertop. Use an orbital sander or sanding block to smooth
the edge of the cut-out area and remove all the saw marks. For
laminate type countertops, all the exposed unlaminated surfaces
near the cut-out opening must be adequately finished and sealed
to prevent water damage.
Cut two lengths of support framing to extend along the inside
walls on each side of the base cabinet.
NOTICE:
It is strongly suggested that you contact a professional
countertop fabricator when installing the sink as an undermount.
NOTICE:
The cabinet must be installed, secured, plumber, and
level before installing the sink.
NOTICE:
It is recommend to provide the cabinet maker with the
actual sink prior to cabinet fabrication. Before installing the sink, verify
that the distance from the top of the doors to the top of the cabinet is
greater than the apron front.
NOTICE:
Double check the measurement of the cabinet cutout
and make any necessary adjustments by either adding filler strips or
sanding the opening.
NOTICE:
A custom sink base cabinet and support framing is required
for proper installation.
Construct a support frame to fit inside the cabinet opening.
Provide the appropriate clearance for the faucet, the water
supply lines, the drain assembly, the garbage disposal and
the structural parts of the cabinet.
Using a sharp saw blade, carefully cut the cabinet on the
traced line.
1
2
3
Measure and mark the support mounting locations; ensuring the
sink rim will sit at, or slightly below the top edge of the cabinet.
Position and level the supports.
Secure the supports with construction adhesive and screws
(not provided).
Cut four lengths of support framing to extend from the bottom
of the installed supports to the floor of the cabinet.
Secure the vertical supports with construction adhesive and
screws (not provided).
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