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.

Video instructions

Learn how to apply Hempel's Underwater Primer by following the steps shown in the video

Follow our step by step instructions

on how to apply Hempel's Underwater Primer

Step 1

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

Step 2

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

Step 3

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

Step 4

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

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.

Step 6

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

Next How to

How to fill the surface
How to apply Hempel’s Light Primer
How to apply antifoulings
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