| Install a
Kitchen Countertop |
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Level: Advanced |
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Nothing spruces
up a kitchen better, faster, and easier that a new post-formed
countertop. This type of top has an easy-to-clean rounded front edge and
integrated backsplash. Your home center sells straight sections in
various lengths and can have its fabricator precut miters for L- or
U-shaped layouts. Bring a sketch with very accurate dimensions or
eliminate any risk by taking advantage of the dealer's professional
measuring services. Once the top has been cut to size, you can begin
installation.
Materials List
- Drill/driver and bits (rental items)
- Belt sander and/or block plane (rental items)
- Jigsaw (rental item)
- Post-formed countertop sections
- Installation kits/hardware as req'd.: - end splash
- end cap - connecting bolts
- Putty knife
- 1x lumber for buildup
- Flashlight or work light
- Smooth file
- Wrenches for sink removal
- Hand laminate trimmer or router with flush trimming
bit
- Tape measure
- 6" C clamps
- Framing square
- Scribe/compass
- 10- or 12-point handsaw
- Wrench
- Matching-color or clear sealant
- Fine up-cutting and down-cutting jigsaw blades
- Caulking gun
- Household iron
- Hammer or rubber mallet
- Carpenter's wood glue
- Heat-conductive aluminum tape
- 1-1/4-in. screws or nails
1. Prepare the Area
When you have the new countertop in hand, as well as a free day and a
willing helper, remove the drawers and cabinet contents. Shut off any
water valves, disconnect all piping, and remove the sink. Refer to
appliance installation instructions to determine proper procedures for
removing a cooktop or other built-in appliance. Remove all screws
attaching the cabinet to the underside of the counter. Before you lift
and pull out the counter, cut any caulk seal between the counter and the
wall with the corner of a putty knife blade or similar tool.
2. Cut Section to Length
If the end will butt a wall or an end panel, allow a little extra so you
can cut the end to fit it to the wall. With the countertop face-up,
apply masking tape over the cut area and pencil a cut line on the tape.
Verify that the cut is square with a framing square or by carefully
measuring from a square end. Use a fine-tooth handsaw to complete the
cut. You must cut on the downstroke only, to avoid chipping the
laminate. For added accuracy, clamp a board to the top to guide your
cut.
Tip
:
You can also use a circular saw with a finish blade allowing you to make
a guided cut from the underside.
Caution
:Fresh-cut
laminate is very sharp. Use a smooth file or sanding block to take off
the sharp edge with a few shear strokes (down and along the edge
simultaneously).
3. Install the Buildup
Place the countertop upside-down and glue strips of wood (called
buildup) to the back edge and the ends that are the same thickness, and
to the factory-installed front buildup.
4. Finish the Ends
Use a clothing iron set at medium heat to apply laminate caps on exposed
ends. If the end abuts a solid cabinet panel, apply sealant to the end
of the counter and screw through the panel into the end of the counter.
If the end butts a wall, attach a square-corner end splash to the end of
the countertop with screws before you install the top.
5. Make Any Cutouts
Follow the fixture- or appliance-maker's instructions for locating and
making the cutout. Normally the cutout is made after the top is in
place, but when the backsplash is on it often prevents cutting the back
edge. Here the outside perimeter of a sink is being traced and the
actual cutout will be 3/8-in. inside that line. Bore a starter hole for
the blade well inside the line; and use a fine-tooth standard
(up-cutting) jigsaw blade. All corners should be rounded (1/2-in.
radius).
6. Join Mitered Sections
L- and U-shaped tops are ordered with precut miters and T-slots milled
in the underside for the connecting bolts. Apply a bead of sealant to
the mating edges. Join the edges and tighten the bolts a little at a
time. Using a wood block to protect the surface and a rubber mallet, tap
the counter to align the two pieces and tighten bolts more.
7. Scribe and Secure the Top
Position the counter against the wall so it overhangs the front edge of
the cabinets an equal dimension all along its length. Set a
scriber/compass to the widest gap between the backsplash and the wall;
with the metal point against the wall and the pencil on the top, move
the pencil along the wall to mark a parallel line on the top (a
technique called scribing). Then use a belt sander (preferable) or block
plane to remove the scribe edge up to your line. Apply a bead of sealant
on the backsplash, push the counter against the wall, and attach the top
from below with screws installed through cabinet corner braces.
8. Reinstall Fixtures and/or
Appliances
Preinstall the faucet on a sink. It's easier to access the connections
before the sink is in place. If you are installing a cooktop or built-in
range, protect the laminate under the lip of the unit with
heat-conducting aluminum tape. |
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