How to apply Hempel's Underwater Primer

Use Underwater Primer as part of a single component system below the waterline, including keels; and as a tiecoat before antifouling.

Find more about Underwater Primer

Follow our Step By Step instructions on how to apply Hempel's Underwater Primer

How-to-apply-Hempels-Underwater-Primer-step-1

Step 1

Ensure you wear suitable protective clothing, including mask and protective glasses

How-to-apply-Hempels-Underwater-Primer-step-2

Step 2

If the surface of your boat is damaged then filling, fairing and priming may be necessary.

How-to-apply-Hempels-Underwater-Primer-step-3

Step 3

Once the filled area has cured, sand the filled and surrounding area to the required fair profile.

How-to-apply-Hempels-Underwater-Primer-step-4

Step 4

Apply Light Primer (for the exact number of the layers that needs to be applied check Paint Manual).

How-to-apply-Hempels-Underwater-Primer-step-5

Step 5

After the last layer is applied, put the Tiecoat Underwater Primer onto Light Primer. Underwater Primer must be applied within 2 hours to get optimum cohesion.

How-to-apply-Hempels-Underwater-Primer-step-6

Step 6

For the exact number of the layers that needs to be applied check Paint Manual.

Know what you're looking for?