This Old House plumbing and heating expert Richard Trethewey shows how to install a new sink into an existing vanity. (See below for a shopping list and tools.)
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Richard helped a homeowner install a second sink in an existing bathroom vanity. To make room for the sink’s new piping in the back of the cabinet, Richard had several of the cabinet’s drawers shortened by a carpenter. Next, using a jigsaw and paper template, Richard cut a hole in the laminate countertop for the new sink. Afterward, he ran new a new PVC drain and copper supply pipes, mounted a faucet onto the new sink, set the sink in place, and made his final plumbing connections.
Shopping List for Adding a Second Sink to a Bath Vanity:
– lavatory sink
– teflon tape
– PVC pipe and assorted fittings
– PVC primer and cement
– copper pipe and assorted fittings
– lead-free solder and flux
– emery cloth
– copper bell hangers
– plumber’s putty
– pipe-joint compound
– silicone tub-and-tile sealant
Tools for Adding a Second Sink to a Bath Vanity:
– drill/driver
– jigsaw
– hacksaw
– 1 3/4-inch-diameter hole saw
– propane torch
– tubing cutter
– adjustable wrench
– pliers
Both the sink and faucet were manufactured by Kohler Co. [https://bit.ly/2Hpga5Q]
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Homeowners have a virtual truckload of questions for us on smaller projects, and we’re ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O’Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.
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How to Add a Second Sink to a Bath Vanity | This Old House
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View Comments
How many plumbers still use copper? With pex it's so much easier :) just my opinion
Should have replaced that laminate counter top first before adding a second sink
Drainage understandable (but everybody does it differently) but...How he add connection for hot and cold water for 2 sinks? Not clear at all.
this looks so easy...who has 5min?!
#Ana Che I fell asleep and got to this video somehow and commented that lol @Brian Crandall
So... basically call a plumber
beautiful job
Did you add a second p-trap for the new sink? Thank you, great video
No stack or air admittance valve between the two p traps it appears. Wouldn't that result in gurgling or an air trap?
Yay