How to make custom fiberglass parts start to finish

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  • Опубліковано 15 жов 2024
  • Hey Fabricators,
    In this video I make some custom fiberglass fenders for my trailer. It takes you from the beginning of making the die, all the way to the finished product mounted on the trailer. Listed below are a bunch of links and details for most of what I used in the video.
    Polyester Resin - fiberglasssupp... (This bonds great with gelcoat and is easy to use, but it stinks) I was mixing 8oz of resin with 3ml of activator. It was warm out, but I kept it out of the sun, until I was done. Then I would put it in the sun and it would cure pretty quick.
    White Gelcoat - fiberglasssupp... (This is polyester, works best with poly resin) Same mixing ratios as the resin.
    Fiberglass cloth 6oz - www.plasticare.... (I use 6oz anytime I use cloth. It's easy to use and takes shapes well)
    .75 Chopped Strand Mat - fiberglasssupp... (Good for mild strength, but doesn't absorb as much.
    2oz Chopped Strand Mat - (very thick) - fiberglasssupp...
    (This is good for building up thickness, this is almost 1/8" thick)
    Partall paste (Wax) - amzn.to/3wfGXqr
    PVA - amzn.to/3LUMNo7
    Bubble roller - amzn.to/3dIVKk8
    Epoxy Resin - fiberglasssupp... (I use this because it doesn't stink and doesn't dissolve foam)
    Vinyl transfer tape - amzn.to/3w5uOUY
    Drum sander - amzn.to/45PIW5c
    Tube sander - amzn.to/44GzDmY
    These are the body washers I used to attach the fenders to the trailer frame - www.kartek.com...
    Here is a link to my shared folder if you need anything in it. drive.google.c....

КОМЕНТАРІ • 94

  • @ryancooling4473
    @ryancooling4473 7 місяців тому +12

    I do a lot of fiberglass repair work (rv’s, jet skis, etc). I’ve been wanting to learn how to make parts and this is a great video showing the process in a timely manner. Appreciate you showing this start to finish.

    • @DougBugBuilder
      @DougBugBuilder  6 місяців тому

      Glad the video helped, thanks for the comment.

  • @katykab00m
    @katykab00m 9 місяців тому +5

    Omg the satisfaction when the fiberglass just pops off of the metal die!!😍

  • @user-tireauction
    @user-tireauction 5 місяців тому +3

    Great video I really enjoyed it. Been trying to get my head rapped around how to build my mold. Thanks

  • @chriswicburg2527
    @chriswicburg2527 5 місяців тому +2

    Great job!
    I appreciate the complete start to finish in one video, and with the important details you included

    • @DougBugBuilder
      @DougBugBuilder  5 місяців тому

      Thanks, I appreciate the comment.
      Glad you liked the video.

  • @MartyMusicmans
    @MartyMusicmans 15 годин тому

    That's freaking awesome!

  • @billybike57
    @billybike57 Рік тому +5

    Awesome work, lots of great ideas, thanks for sharing!

  • @jamesfield4479
    @jamesfield4479 2 місяці тому

    1st video i chose to watch to learn how to do this and I don't need to watch anyone else's. Great stuff. Thank you

    • @DougBugBuilder
      @DougBugBuilder  2 місяці тому

      Glad it was helpful!
      Thanks for the comment.

  • @mikeygifford
    @mikeygifford 5 місяців тому +2

    Awesome! Making some fenders too. Thanks for the information

  • @Eli-zg3tj
    @Eli-zg3tj 7 місяців тому +1

    You're a real artist my friend and that's a cool dog you have! 👍

  • @MonticelloMagic-yv1qu
    @MonticelloMagic-yv1qu 6 місяців тому +1

    ..
    yeah
    Kool you included your dawggie
    Happy Dawg
    eye appreciate this video you made
    Thanks a million
    though the process is painstakingly
    time consuming
    your end product
    money saved
    and boy your absolute joy
    when the fender popped on out of
    the mold
    was beyond exclamation
    just pure delight
    Awesome
    Be Well
    God Bless
    and Thanks again
    ...

    • @DougBugBuilder
      @DougBugBuilder  6 місяців тому

      Glad you liked the video and my dog. 🐕 👍
      Thanks for the comment.

  • @kevinhamling1963
    @kevinhamling1963 Рік тому +2

    G'day,
    It's been a long time since I've done any fibreglass work.
    But from what i remember of it your job is outstanding.
    A+ From me.
    Thanks for sharing ✌️Peace from Melbourne Australia.

    • @DougBugBuilder
      @DougBugBuilder  Рік тому +1

      Hello Kevin, good to hear from you as usual. Fiberglass is awesome and horrible at the same time. 😁
      But the results are worth it. 😉
      Peace! ✌

    • @kevinhamling1963
      @kevinhamling1963 Рік тому

      @@DougBugBuilder
      I can still feel the itching. 😵‍💫

  • @fremanpool4575
    @fremanpool4575 11 місяців тому +1

    I think to start fiberglass work business. This is really helpful videos

    • @DougBugBuilder
      @DougBugBuilder  11 місяців тому +2

      Thanks, good luck with your business.

  • @daxinventor3542
    @daxinventor3542 5 місяців тому +1

    Amazing! I am learning to make my own molds to make a lot of different parts for my truck. One of the things Thanx a whole lot bro. This info is perfect for me.

    • @DougBugBuilder
      @DougBugBuilder  5 місяців тому

      Glad it helped, thanks for the comment.

  • @oiphebal
    @oiphebal 5 місяців тому +1

    hey! adding a flange to the mold also increases tremendously its stiffness

  • @DaveHyooz
    @DaveHyooz Рік тому +2

    Excellent video, thanks for sharing and explaining 🤟🏼

  • @warrenblake5554
    @warrenblake5554 Місяць тому

    Good basic video ..can I offer some suggestions ? If you rolled some strips of panel steel to go across the under side from side to side at the steel only stage , with an over lap of 3 inches both sides , and tacked them in place with your mig you would get a plug which resisted twisting .It also gives a rigid accurate trim . edge . I prime my plugs ( dye ) with a Duratec primer or regular 2 pk automotive primer . Any divets can be stop puttied with Dynatron or similar wet sand finished and buffed before the wax parting agent ( around 5/6 ) polished and left an hour after polishing between wax coats . Then pva before the tooling gel ..It will give you a mould which will need much less wet sanding to get ready to mould from ..👍 otherwise good info ..

    • @DougBugBuilder
      @DougBugBuilder  Місяць тому

      Not a bad idea actually. I wish I would have done something like that on the mold. Thanks for the ideas. 👍

  • @ntdracing
    @ntdracing Рік тому

    Great video!...We need to do the same thing on Honcho's fenders. Thanks for the info.

    • @DougBugBuilder
      @DougBugBuilder  Рік тому +1

      Sounds like a project for Bear! 😁

    • @ntdracing
      @ntdracing Рік тому +1

      @@DougBugBuilder reading my mind.

  • @Flatstepcreator
    @Flatstepcreator 2 місяці тому

    Beautiful work man I learned a lot from this, I don't know anything about fiberglass but I'm interested for making hard toe caps for protective work boots

  • @brcron007
    @brcron007 10 місяців тому +1

    Great step by step Thanx Doug !

    • @DougBugBuilder
      @DougBugBuilder  10 місяців тому +1

      Very welcome, thanks for the comment.

    • @brcron007
      @brcron007 10 місяців тому

      Hi again,Doug I have a Question for you-could the vinyl tape be used to cover the entire area of the shape I'm making a mold of (my area is still in epoxy primer) (I'm making a shell skin of an interior crew cab roof, front n rear sections) so the release doesn't soak into it and cause future Ron issues. Thanks again. @@DougBugBuilder

    • @DougBugBuilder
      @DougBugBuilder  9 місяців тому +1

      @@brcron007 Hello, You can use vinyl tape, but, you need to make sure that the resin you are using doesn't react with the tape. So I recommend you do a test piece first.
      And keep in mind that you will transfer the tape lines into the gelcoat, so you'll need to deal with that.
      But I've done it before, it does work.

    • @brcron007
      @brcron007 9 місяців тому

      thank you again for your insight. I appreciate it. @@DougBugBuilder

  • @CharmingCheek
    @CharmingCheek 3 місяці тому

    Thank you so much for this video! I have a new beetle I’m working to customize and this will help immensely. Question: Any issues with making my die from carved foam insulation board?

    • @DougBugBuilder
      @DougBugBuilder  3 місяці тому

      No, but Polyester resin usually reacts with most foams. So you'll need to do a test. And possibly use Epoxy as first coat, or add something to protect the foam if the polyester attacks it.

  • @FastSoCal3D
    @FastSoCal3D Рік тому +1

    Amazing tutorial - thank you!

  • @jmeladams
    @jmeladams Рік тому +2

    Very cool and well done…but I have to ask why? Maybe I missed something, but what’s wrong with robust steel fenders for a trailer? Weight?

    • @DougBugBuilder
      @DougBugBuilder  Рік тому +6

      Here you go asking serious philosophical questions. 😁
      Locally I was looking into buying steel fenders, but they were $200 each, so it was going to cost me $400. I wasn't happy about that.
      I did all the fiberglass panels on the Baja that's on the trailer, so I have a lot of surplus fiberglass supplies on hand. So I was able to make these for no cost.
      And.... I just like doing custom parts like this.

    • @maxpower9631
      @maxpower9631 4 місяці тому

      nice job...missed some steps...your time would be better spent on something else than common fenders tho

  • @martinlowe7265
    @martinlowe7265 Місяць тому

    Amazing work!!!I have a question for you. How long to wait between the first and second coat of gel coat when making the mold from the metal die?.........................keep up the super work!!

    • @DougBugBuilder
      @DougBugBuilder  Місяць тому

      Wait long enough for the previous to be tacky. So if you push your finger into it and it leaves fingerprints that's pretty good.

  • @speedbeagle6498
    @speedbeagle6498 Рік тому

    Ive done a few small scale parts, but the time involved has kept me from making the body parts i need for my woodsbuggy or copying my baja kit which is starting to crack and look rough. Thanks for making me wish i had more time! Lol

  • @steveshepard
    @steveshepard Рік тому +1

    Do you do a spray of PVA or anything on your last coat of resin to let it cure? Or are you using resin with wax?
    Also, why did you choose cloth over mat for this one? I have never used cloth myself. Thanks Doug!

    • @DougBugBuilder
      @DougBugBuilder  Рік тому

      My resin has wax, so it fully cures on its own. My gelcoat does not, but as you know it gets sealed in by the resin.
      Cloth is way more flexible and easy to lay in place than mat. So usually I start with cloth so I can get good coverage to the part. Then once I have a couple layers done I might switch to mat because it cheaper than cloth.
      If I'm doing something flat then I usually do it all in mat because again, it's a better bang for the buck.

    • @steveshepard
      @steveshepard Рік тому

      @@DougBugBuilder thanks for the response and all the videos on the subject. I recently copied some parts out of fiberglass using your older videos as a guide. Didn’t see too much cloth back then so I was curious if you learned something new! Thanks again

    • @DougBugBuilder
      @DougBugBuilder  Рік тому

      @@steveshepard If I remember I used cloth for the roof, and the beginning of the one piece front end. But the doors and quarters I think I used mat, those were mostly flat with just a mild radius. But the radius on these fenders was actually pretty tight, that's why I used cloth mostly.

  • @cursetrynd461
    @cursetrynd461 4 місяці тому +1

    thanks man, that's help me alot

  • @TurbineResearch
    @TurbineResearch Рік тому +2

    Composites are so cool ❤ good work !

  • @Belvedere-vm9ep
    @Belvedere-vm9ep Рік тому

    Awesome video! I like the way you explain things! Thanks for the mixing ratios! Just wondering what’s your advice on how to fiberglass outer wheel well areas onto metal quarter panels?

    • @DougBugBuilder
      @DougBugBuilder  Рік тому +1

      Are you asking how to make fiberglass wheel wells? Or fender flares?

  • @Brian-os9qj
    @Brian-os9qj 23 дні тому

    Well explained

  • @stumpymeadows5217
    @stumpymeadows5217 Рік тому

    I watched your vid cuz I’m at a critical point finishing a transom replacement on my fiberglass boat. The top lip of the transom is 2” thick with virtually no radius and it has a notch cutout for the outboard motor. This makes for a difficult transition for the cloth. Seeing your relief cuts work so well was an eye opener. They seemed to produce no ridges what type of cloth did you use?

    • @DougBugBuilder
      @DougBugBuilder  Рік тому

      If I remember that was 6oz cloth, which is pretty thick for cloth. But it builds up quicker. Remember if you make relief notches on outside corners you'll need those "band aid" pieces I used to get the strength back. Good luck.

  • @TheBrando60
    @TheBrando60 Рік тому

    Bellissimo lavoro, lo hai fatto sembrare facile. 👍

  • @anuradesilva9966
    @anuradesilva9966 4 місяці тому

    Good job sri❤

  • @BillKnight-tj2rs
    @BillKnight-tj2rs Рік тому

    I’ve never done fibreglass so I have no idea if this would work, but could you use your air compressor gun to blow air between the part and the mould to help it release? If that does work you could even potentially add holes in the mould for the gun to fit

    • @DougBugBuilder
      @DougBugBuilder  Рік тому

      I've never done it, but I've had people tell me it works great. But for me I can always pull and pry my parts to release, so I've never had to try it.

  • @southpawsgarage
    @southpawsgarage 9 місяців тому +1

    a little blast of air works great for demolding....

  • @choimdachoim9491
    @choimdachoim9491 7 місяців тому

    Informative and useful video but why fiberglass instead of metal?

    • @DougBugBuilder
      @DougBugBuilder  6 місяців тому

      Just to be able to make a slightly different shape, and now I can remake as many as I need.

  • @DosntMatter666
    @DosntMatter666 3 місяці тому

    I want to make a personal watercraft for fishing and leisure. Is this method appropriate for such a craft?

  • @camcutcnc
    @camcutcnc Рік тому

    Hi, nice project! I will probably build a set. I didn't see a link for the mounting bolts in the description. would it be possible to get a link? Thanks much.

    • @DougBugBuilder
      @DougBugBuilder  Рік тому

      Hello, I just added them in the description at the bottom, thanks for letting me know.
      Good luck with your project. 👍

  • @honestauto3490
    @honestauto3490 6 місяців тому

    Very informative thank you very much

    • @DougBugBuilder
      @DougBugBuilder  6 місяців тому

      Glad you liked it, thanks for the comment.

  • @cwmotorsports4497
    @cwmotorsports4497 7 місяців тому

    Very nice!!!! How many hrs do you think it took?

    • @DougBugBuilder
      @DougBugBuilder  7 місяців тому +1

      Hmm, I would say realistically 15-20 hours.

  • @philleitzell2809
    @philleitzell2809 7 місяців тому

    Nice job but how do you go about making a fiberglass piece when you dont have a metal pieces your essentially making a fiberglass copy of? I want to make some ~4" wider rear fiberglass fenders/quarter panels for a prerunner xterra like they make for the ford explorers

    • @DougBugBuilder
      @DougBugBuilder  7 місяців тому

      You have to get creative. I've used cardboard, foam, wire mesh, wood, fiberglass, and metal, you just need to use whatever you have to. Then just make sure you can smooth it out and cover it with something that will not react with your gel coat.

  • @aemrico
    @aemrico 7 місяців тому

    Thanks for the info 😎👍🏾

  • @Gary-b9g
    @Gary-b9g 7 місяців тому

    Most of the links say page not found. Is that because they are only good for so long?

    • @DougBugBuilder
      @DougBugBuilder  7 місяців тому

      It's just because over time mfgs. change their websites or slightly change the part numbers. I believe I fixed the links that aren't working.

  • @scor440
    @scor440 4 місяці тому

    Can the paint stay on or is bare metal better?

    • @DougBugBuilder
      @DougBugBuilder  4 місяці тому

      Old paint is usually ok, but be careful, there is a small chance it might react with the poly. I recommend doing a small test first.

  • @cringram1003
    @cringram1003 Рік тому

    Mike, looks like brand new tires on Ratchet what's the deal? Peace

    • @DougBugBuilder
      @DougBugBuilder  Рік тому

      I was wondering if people would catch that. At the beginning of the video Wratchet has old tires, but by the end he is sitting on all new rubber. 👍 My next video will be testing the tires at the track.

    • @shekhargaidhani1618
      @shekhargaidhani1618 Місяць тому

      I found the perfect video as I want. Very informative and very nicely explained about the process.
      Thank you very much.

  • @davedavidson8408
    @davedavidson8408 4 місяці тому

    I’m really new to this & don’t understand why you are making a mold from the fenders to then make some fenders rather than just use the existing fenders as the mold. Can anybody explain why please?

    • @DougBugBuilder
      @DougBugBuilder  4 місяці тому

      The actual fenders can't be used as a mold. The mold has to be an "outside" copy of the part I want to make. Make the mold off what you want to make, in this case the fenders. Then when you make the fiberglass part it will be a copy of the original piece.

    • @davedavidson8408
      @davedavidson8408 4 місяці тому

      @@DougBugBuilder Thank you, it just seemed like a lot of effort for ‘only’ some fenders but I understand what you mean - this is the only way to get an exact copy. I do appreciate you taking the time to not only produce these videos but for replying too. Cheers 👍

  • @guncalinhosiqueira8547
    @guncalinhosiqueira8547 Рік тому

    👏👏👏💯💯💯