Sinks How-To Guides

Step-by-step how-to guides for sinks maintenance, repair, and installation.

All Sinks Guides 7

How to Unclog a Kitchen Sink

easy

Clear a kitchen sink clog with five methods from easiest to most aggressive -- boiling water, plunging, baking soda, P-trap cleaning, and drain snaking.

15 - 45 minutes $0 - $25
What you need: Flat-bottomed cup plunger (not a toilet flange plunger) Channel-lock pliers (for P-trap slip-joint nuts) Bucket (for catching P-trap water) Drain snake / auger, 25-foot hand-crank ($15-25) Baking soda and white vinegar Kettle or pot for boiling water Bottle brush or old toothbrush (for cleaning the P-trap) Sink strainer (for future prevention, $3-5)

How to Install an Undermount Sink

hard

Mount an undermount sink to granite, quartz, or solid surface -- clip placement, silicone application, drain hookup, and the 24-hour cure that makes it watertight.

2 - 4 hours (plus 24 hours cure time) $150 - $600 for sink + supplies
What you need: Undermount sink clip kit (match to your countertop material) 100% silicone adhesive (clear or color-matched) Two-part epoxy (for clip mounting, if using epoxy clips) Drill with masonry or carbide-tipped bit (for clip anchor holes) Level (for checking sink alignment) Clamps or temporary support posts (for holding sink during cure) Plumber's putty (for basket strainer seal) Adjustable wrench (for drain and supply connections) Rubbing alcohol and clean rags (for surface preparation) Utility knife and razor scraper (for old silicone removal)

How to Fix a Leaking Sink Drain

moderate

Find and fix a leaking sink drain -- whether it is the basket strainer seal, the tailpiece connection, or the P-trap slip joints -- with the right fix for each failure point.

30 - 60 minutes $5 - $25 for gaskets, putty, and slip nuts
What you need: Slip-joint pliers or channel-lock pliers Plumber's putty (for basket strainer seal, $3-5) Replacement slip-joint washers (nylon, 1-1/4 inch or 1-1/2 inch) Replacement P-trap (PVC, $5-10, if the old one is corroded) Bucket (for catching P-trap water) Flashlight (for inspecting connections) Paper towels (for leak detection after repair) Rubbing alcohol (for cleaning old putty residue)

How to Clean a P-Trap

easy

Clear a clogged or smelly P-trap in minutes. No special tools needed -- just a bucket, pliers, and a brush. Fixes slow drains and sewer odors at the source.

10 - 20 minutes $0 (or $5 - $10 for a replacement P-trap)
What you need: Bucket or large bowl Channel-lock pliers (for metal traps) Bottle brush or old toothbrush Rags or towels Replacement washers ($2-3 kit, if needed) Replacement P-trap ($5-10, if needed)

How to Replace a Kitchen Sink

moderate

Remove an old kitchen sink and install a new one -- drop-in or undermount. Covers disconnecting plumbing, cutting countertop openings, and sealing for a watertight fit.

2 - 4 hours $100 - $500 for the sink; $300 - $800 with a plumber
What you need: Adjustable wrench and channel-lock pliers Basin wrench (for faucet mounting nuts) Bucket and towels Putty knife (for scraping old caulk) Silicone caulk (kitchen and bath grade) Plumber's putty (for drain strainer flanges) Utility knife Jigsaw (if cutout needs enlarging on laminate) Screwdriver (for mounting clips)

How to Snake a Drain

moderate

Clear a clogged drain with a drain snake (auger). Reaches clogs that plungers cannot -- deep in the trap, wall pipe, or main line. Essential plumbing skill.

15 - 45 minutes $15 - $40 for a hand snake; $0 if you already own one
What you need: Hand drain snake / auger (25-foot, $15-30) Rubber gloves Bucket (for P-trap removal and debris) Rags or towels Channel-lock pliers (for P-trap nuts) Screwdriver (for overflow plate removal) Eye protection (if chemical cleaner was used previously)

How to Use a Drain Snake

easy

Step-by-step instructions for operating a hand drain snake -- feeding, cranking, breaking clogs, and retrieving debris. The technique that makes the tool work.

10 - 30 minutes $15 - $30 for a hand snake
What you need: Hand drain snake with drum housing (25-foot) Rubber gloves Bucket Rags or towels Eye protection (if chemicals were used previously) WD-40 or light oil (for post-use cable maintenance)