How to Clean Gelcoat

Intermediate 45 min 11 steps 8556 views Rating: 4.7/5 Published: 2026-04-17

Choose a fiberglass cleaner that's safe for your gelcoat.. Clean the gelcoat surface with a cloth and fiberglass cleaner.. Use MEK or acetone if you need to degrease the gelcoat.

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Steps

1

Choose a fiberglass cleaner that's safe for your gelcoat.

Step 1

Choose a fiberglass cleaner that's safe for your gelcoat.

2

Clean the gelcoat surface with a cloth and fiberglass cleaner.

Step 2

Clean the gelcoat surface with a cloth and fiberglass cleaner.

3

Use MEK or acetone if you need to degrease the gelcoat.

Step 3

Use MEK or acetone if you need to degrease the gelcoat.

4

Apply compound to a wool buffer pad on an electric buffer.

Step 4

Apply compound to a wool buffer pad on an electric buffer.

5

Scrub the oxidation off of the gelcoat with your buffer.

Step 5

Scrub the oxidation off of the gelcoat with your buffer.

6

Look for your reflection in the gelcoat to know you've buffed enough.

Step 6

Look for your reflection in the gelcoat to know you've buffed enough.

7

Apply boat polish to a fresh wool pad on your buffer.

Step 7

Apply boat polish to a fresh wool pad on your buffer.

8

Run the buffer over the gelcoat surface to gently polish it.

Step 8

Run the buffer over the gelcoat surface to gently polish it.

9

Add fiberglass wax to a cloth or foam pad.

Step 9

Add fiberglass wax to a cloth or foam pad.

10

Use circular motions to apply the wax to the gelcoat.

Step 10

Use circular motions to apply the wax to the gelcoat.

11

Allow the wax to dry then wipe away the excess with a cloth.

Step 11

Allow the wax to dry then wipe away the excess with a cloth.

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