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Introduction

Caulk dries out and cracks over time exposing the area it seals to water damages. If you notice that your bathroom sink is leaking around its edges, re-caulking the sink may alleviate your problems. This guide will show you how to replace old caulk to looking new again.

What you need

Step 1 Caulk seal

How to re-caulk a bathroom sink, Caulk seal: step 1, image 1 of 1

Clean and dry around the rim of the sink with a paper towel.
Make sure the old caulk is completely dry before moving on.

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Step 2

Remove the old caulk around the rim of the sink with a utility knife.

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Step 3

Remove any old caulk residue around the rim of the sink with a wet paper towel.
Then dry the area completely.
Ensure the area is completely clean and dry before applying the new caulk.

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Step 4

How to re-caulk a bathroom sink: step 4, image 3 of 3

Apply painter's tape around the rim of the sink while leaving a small gap for caulk to be applied.

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Step 5

Place the caulk tube into the gun.
Slowly press the trigger to release a thin line of caulk and move around the edge of the sink as you go.

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Step 6

How to re-caulk a bathroom sink: step 6, image 3 of 3

Smooth out the caulk against the edge of the rim and counter with your wet index finger.
Keep a rag nearby to wipe excess caulk from your finger periodically.
Press against the caulk firmly while sliding your index finger as you go around the rim of the sink.