How to Install a Wall-Mounted Sink | HomeTips
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How to Install a Wall-Mounted Sink

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Wall-mounted sinks are either hung on a metal bracket that is attached to the wall’s framing or bolted directly to the framing (as shown here).

These sinks come with manufacturer’s installation instructions, which should be followed closely.

To provide the proper support for a wall-mounted sink, it’s usually necessary to remove a small section of drywall so you can access the wall studs and attach blocking between them. Click for more about How to Open Up a Wall.

Determine where support will be needed, based on the sink’s measurements and mounting height (typically 30 inches above the floor). Remove drywall in that area and install 2-by-6 or 2-by-8 blocking between wall studs.

Drill holes for screws and fasteners.

Drill holes for screws and fasteners.

Toenail the blocking to the studs with 3 1/2-inch galvanized common nails. Then repair the drywall.

1Position the mounting plate or sink on the wall and mark the wall through the holes in the plate or sink. Drill pilot holes for lag screws or other fasteners supplied by the manufacturer; if the wall is tile, use a masonry bit.

Then install the faucet and drain and pop-up assemblies on the sink (see step 3 of Install a Countertop Sink and steps 4, 5, and 6 of How to Install a Bathroom Faucet.

Hang

Secure the sink or mounting plate to the wall.

 

2Use lag screws or other fasteners recommended by the manufacturer to secure the sink or the sink’s metal mounting plate to the blocking. After driving in the first fastener, check to make sure the sink or mounting plate is level, then drive in the other fasteners.

 

3Connect the P-trap and drain arm to the drain stub-out, then connect the two water-supply tubes to the shutoff valves.

Connect

Connect the P-trap and water supply lines.

Some wall-mounted sinks (like the one shown here) come with a trim piece that hides the plumbing lines. These typically attach directly to the wall framing with lag screws.

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