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Boatworks Today: Fairing for Gelcoat Repairs

Andy Miller hopes that every boat will be in top shape for launching this season. Perhaps, like many of us, you have found yourself with some extra time to dedicate to spring prep this season, maybe even some time to address nagging issues that are begging for repair. One such repair that many boaters battle is dings, chips and holes in the gelcoat. When you want to easily repair those unsightly scars, there are a lot of options for repair. Andy helps straighten out the best option for going from filling and fairing straight to gelcoat repairs using our TotalBoat Polyester Fairing Compound. Andy suggests using our TotalBoat Polyester Fairing Compound when doing repairs above the waterline, and if you are looking to finish that repair using gelcoat, which is a polyester base material that is best applied over the top of another polyester or vinyl ester base material.

Andy has previously demonstrated the structural repair putty by TotalBoat, which is best used for filling in old screw holes, bolt holes and chips and dings, as well as creating fillers. Because it has glass fibers mixed in with it, when it cures it’s rock hard, and because it’s a hard compound when it’s cured it’s not the easiest material to sand in order to get a clean feathered edge. Because of that, TotalBoat came up with Polyester Fairing Compound.

Check out today’s video about fairing for gelcoat repairs from Andy Miller and Boatworks Today.

Related Products


Gelcoat With Wax

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

11 responses to “Boatworks Today: Fairing for Gelcoat Repairs

  1. well done, as always very informative.
    Could add tint or color to the polyester resin? I believe I have done this and find that it makes it easier to obtain the correct color or shade of the gel coat.

  2. We always dye our MEKP with red dye. Observing the color you can guarantee the mixture is thoroughly mixed. Similar to fairing, looking for low spots, dye your acetone red (pink) and roll the area prior to large block sanding. The dye will act as an indicator and highlight the low spots. The dye don’t lie.

  3. Please clean off my orders on your website..You have already delivered them..
    I couldn’t order thinner because it would resend my orders that you already sent me..

  4. Nice video

    if you have not done so already, it would be great to get some tips on how to match gelcoat repair colors. I have a beige boat and never been able to get a good match. It usually looks good until I sand but not so good after sanding.

  5. Love watching your show Andy learning a lot. I have a ? I have a 20 ft Thompson cuddly cabin I am upgrading and repairing. The gel coat is all original but I found a lot of spider cracks on the sides and bottom and stern area. I plan on using total fair like I did on the inside of the boat. After using and sanding it what would be the best product to use over the filler, this is bellow the waterline.

  6. Love watching your show Andy learning a lot. I have a ? I have a 20 ft Thompson cuddly cabin I am upgrading and repairing. The gel coat is all original but I found a lot of spider cracks on the sides and bottom and stern area. I plan on using total fair like I did on the inside of the boat. After using and sanding it what would be the best product to use over the filler, this is bellow the waterline. Paint or gel coat?

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