gelcoat

  1. R

    Gelcoat Shows Wave-Like Discoloration - Why?

    This is actually about a fiberglass pool. You guys seem to be the experts at gelcoated fiberglass that has been cut or gelcoat ripped away exposing the glass underneath - information on this on a fiberglass pool is nearly non-existent. Thank you for any insight your can share... Short-Version...
  2. M

    Vinylester reacting with ISO/NPG gelcoat

    I’m encountering a few issues and would appreciate any guidance. After applying gelcoat in a mold and letting it cure until mildly tacky (about 4 hours), the vinylester resin appears to dissolve or disturb the gelcoat more than expected. I understand that vinylester chemically bonds with...
  3. L

    USED Phoenix Dispense Equipment

    I have a used internal mix RTM system. Can be converted to a fiberglass chopper or gelcoater on request. Call or text for details: 727-383-6847. Shop: 727-393-1818 Ask for Lauren. https://www.youtube.com/@laurenmcgeheegenovese7614
  4. L

    Fiberglass spray system

    For sale is a phoenix spray system. Used to build on hull. Everything works as it should. This machine was $12000 new. I’m asking $6000. Comes with gelcoat tip, resin tip and chopper attachment. Email is littlebeachbw@gmail.com. System is approximately one year old
  5. Tops

    Thin Gelcoated Panels, how to Improve?

    I did my first PET resin panel with gelcoat last night. It tured out a little rough and I am seeking advice to make it smoother/better the next go-round. My initial guess is that the gel coat was not firm enough and/or thick enough to resist print-through as a main problem and that the bag...
  6. I

    Tooling gelcoat residue on molded part?

    So I have a mold for a part that I have pulled 8 or so parts from... all going perfectly. Currently I apply one coat of wax before each part. However after pulling a part last light I noticed some of the red tooling gelcoat seemed to transfer over to the parts white gelcoat. I was able to...
  7. V

    What is this?

    Hi guys , i saw this video on the internet. And just wondering what is this ? And what it is for ? they applied those coat after gelcoat? Fyi , infusion lamination .
  8. N

    Suitable gelcoat base?

    Getting ready to prep the interior of my boat for finishing, preferably I would like gelcoat but wasn't sure what kind of a base I needed. The base is marine ply and was going to seal it with epoxy, is it suitable for gelcoat to sit on just that or would I need matting as well? Was hoping to...
  9. M

    Gelcoat problem after releasing a rim from the mold

    Hi all, I got a kayak rim out of the mold today and was horrible. Like it has pumps all over it plus a few more signs in the gelcoat. Anyone with an idea why that happened? I added two coats of gelcoat on this (by brush) with no lower than 2% catalyst. The first left 12 hours to cure and the...
  10. N

    Fiberglass encapsulation or not?

    Just curious to see how people finished the insides of stitch and glue boats, im working on nancys china dc15 currently and wasn't sure what to do on the interior plywood.. I've read in a few spots that fiberglass encapsulation can trap moisture and lead to rotting, and if that's the case what...
  11. M

    Input on gelcoat problem

    I will appreciate if anyone can let me know why this part of the kayak deck came out with the problem as seen in the image. There are 19 fittings like the one in the picture and only on this one there is a problem but I've seen the same in the past in a couple of others. The temperature inside...
  12. M

    Tips on repair gelcoat in difficult area

    Hi all, I need to make a small repair in the area I am showing in the photo. The picture is from a mold that doesn't need a repair but is one of my other molds that is more or less like this. It is missing a tiny bit of gelcoat. The problem is that I can't access that area as my finger doesn't...
  13. M

    Tips on applying (by brush) & sanding gelcoat

    Hi all, Is it possible from your experience to sand the gelcoat as seen in the picture (it is quiet thick) in order to get a smoother appearance and ger rid most of the brush lines? Am I right if I sanded with 100 grid and then polish it or there is a better procedure? Any help is very much...
  14. matiss311

    Composite material web Shop

    Epoxy resin, Polyester resin, Vinylester resins small and large quantity. Gelcoats and Topcoats Lloyds verified specialised systems for corporate boat builders. Fiberglass reinforcements, Carbon fiber and other structural materials. Professional advice and fast delivery. EPOXY RESIN...
  15. M

    Gelcoat storage life

    Hi all, Let's say I got in ideal temperatures (16-25oC -- 61oF-77oF) for storing gelcoat in 5kg boxes. After how long it will still be safe to use it? If let's say is 6 months and I will use it after 1 year, what will be the symptoms on the boat that will use it (small craft, kayak)? Thanks in...
  16. J

    Peeling topside enamel paint

    Vessel: 48 year old 41' fiberglass sloop Issue: Approximately 20 years ago a former owner painted the topside with a gloss black enamel (black over the original black).Looked great for around 15 years. I was not aware that it was enamel paint and for years I washed and waxed as you would for...
  17. A

    Pearson 35 Hull #11 Blog Repairing the Crazed Gelcoat

    In preparation for a top coat of System Three Water Based Polyurethane over the entire above water exterior. We are taking the steps outlined here. Starting with pressure washing, and then a hard scrub with a super aggressive detergent (the purple stuff mechanics use on their floors), both...
  18. N

    Help with gelcoat application

    Today I started gelcoating the sides of my Carolina Skiff J16 hull. It was looking great, but a bunch of bugs got into the gelcoat. The gelcoat I applied is waxed. My plan is too sand down the areas I coated, and re apply the gelcoat. Would it be ok to sand is down and re coat the side and...
  19. B

    Binks B6 Gelcoat Pump

    Selling a Binks B6 Gelcoat Pump. It was rebuilt about 2 years ago and is working great. Looking to get $2000 for the pump. It is currently bolted to a 12' x 12' spray booth that I would also sell with it for another $5,000. The Equipment is in Oregon, near Medford. I can send a picture if...
  20. T

    MVP External Mix FIT Wet-Out System & PRO-Rider External Mix Gel System (sold)

    Less than 60-hours use, new under warranty and changing direction to carbon-fiber builds, infusion, with new equipment. Any questions contact Ted in the office: 772-236-8289 Description #1.) Ultramax External Mix FIT Wet-Out System which includes External Mix FIT Chopper Gun & RC-1000. Super...
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