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Boatworks Today: Andy Miller’s Tips for Fairing Boat Bottoms

Andy Miller is refinishing a little sailboat that is ultimately in need of some paint, but not before a decent amount of fairing work on her underside! Using gelcoat as a filler first, then cleaning with DeWaxer followed by TotalFair, Andy explains the specific uses for gelcoat with wax as a curing layer, and then why you shouldn’t use gelcoat later over TotalFair. It’s a question we get a lot, and Andy, as usual, makes it sound easy. If your end goal is to paint your boat, then this video will help you understand how to make a bunch of important steps and helpful products work together the way they were intended.

Boatworks Today continues to help us provide great customer support with practical how-to videos that answer so many of the common questions and errors that we hear too often. Using products that have additives that either help or prevent curing – to help another layer or product bond – can be tricky and disastrous if not done right. Andy is always providing great product advice and project support and we know you love his videos, too. Let Andy know in the comments about what kind of videos you find most helpful.

Thanks for watching!

Related Products


Dewaxer

Dewaxer cleans surfaces thoroughly so coatings adhere better and last longer

TotalFair

This lightweight, two-part epoxy putty is perfect for fairing, filling, and shaping.

Gelcoat With Wax

Makes the final gelcoat layer cure to a hard sandable finish, with no wax paper.

14 responses to “Boatworks Today: Andy Miller’s Tips for Fairing Boat Bottoms

  1. after laying down the fairing I assume you sanded with 80 grit, clean with acetone and final sand with 180 grit. My understanding you cannot put gelcoat over it (can’t put poly over eposy) – so you must use Total Protect and then layers of laminating gelcoat with a final coat of gelcoat with wax then final wet sanding with 800 to 1200 grit?

  2. Great video. I wish I could see you finish the project but no link. The finished product is the ultimate proof. Oh couldn’t find the thumbs up but you defiantly earned it.

  3. Getting ready to fill some blisters on our hull during haulout in two weeks. Will be painting barrier coat (2000 series Interlux) and bottom paint during that one week project affect the TotalFair final curing? These will be small spots, size of a dollar bill. Great video Andy. Perfect timing for me to view.

  4. Pingback: The Art of Boatbuilding: Fairing a Wooden Bottom with Bob Emser

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