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Installation of Rubber Hollow Bulb Seal for RV and Trailer Door  

Updated 08/15/2025 | Published 07/20/2025

Question:

What is the recommended primer/adhesion promoter for this CS92FR bulb seal? Thanks.

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Expert Reply:

Hey Paul! The Rubber Hollow Bulb Seal for RV and Trailer Door # CS92FR from Clean Seal doesn't have a recommended or required adhesion promoter. Just make sure the surface is clean and prepped. Any old adhesive should be removed and you can prep the surface with isopropyl alcohol to make sure it is clean and ready to go. After that just peal and stick the seal onto the surface.

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Robin H
Rubber Hollow Bulb Seal
Rubber Hollow Bulb Seal
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Robin H.

8/15/2025

Hey Paul, did you get a chance to try the bulb seal installation without an adhesion promoter? I'm curious to know how it worked out for you, as it could help others in a similar situation!

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