Announcement

Collapse
No announcement yet.

Glassing Foam

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Glassing Foam

    Hi guys,
    I have been planning to build a custom electric car based on a production car's platform.
    I am trying to find a solution to glass the foam plug. I got the sample of the foam I planned to use, it is similar to the pink foam some guys here use to build plugs, but the one that I can easily buy locally is pale blue. I poured a bit of the resin mixture I will use to apply on it and the fiberglass, but the foam seems to be reacting. Can anyone of you tell me what I can do to avoid this sort of reaction?
    I have posted the link of the pic I took after it started reacting.
    https://ibb.co/gOCrbH

  • #2
    will few layers of filler putty be enough?

    Comment


    • #3
      Apply multiple coats of shellac then light coat of filler putty
      https://en.wikipedia.org/wiki/Shellac
      [COLOR=#ff0000]
      [/COLOR]

      Comment


      • #4
        I've tried Shellac before and had it fail miserably. I believe there are specialty coatings out there, but I've heard that latex/latex paint works.

        Bob
        Bob custom '84 Fiero SE --->>> custom F408
        http://www.madmechanics.com/forum/cu...ilepic37_1.gif

        Comment


        • #5
          Clear, plastic packaging tape will work, or so I have been told by someone I personally know who I also know is very experienced at this.

          The latex paint will work, but the coverage must be very good with no imperfections and you need to make sure it is fully cured.

          Regardless of what method you use, try it out on a small piece first. Let us know your results.

          Comment


          • #6
            Packing tape works just fine (first hand experience), but it's difficult to wrap a piece of foam with compound curves and not leave tape marks in the resin once it's all said and done.

            Comment


            • #7
              allright! thank you guys, I will see what I can do

              Comment


              • #8
                Ive been researching this recently....

                I dont know if this product is expensive.
                Polyurethane resin.
                https://www.youtube.com/watch?v=MDwQg6CX25A

                Another is wood glue, (Water Puddy)a kind of plaster, and cheese cloth.
                https://i.imgur.com/2bTuU1Y.jpg

                Plasti Dip might work.

                Mortar and Lowes Latex.
                https://i.imgur.com/J255SJD.jpg

                I would like to experiment with the latex stuff from Lowes and Waterpuddy in the future.

                With other chemicals, make sure you dont mix something that becomes hazardous like how one can suffocate mixing bleach and Ammonia bathroom cleaners.
                Follow my designs on Facebook fan pages.:cool: [url]http://www.facebook.com/AutoArts[/url]

                Comment


                • #9
                  You can use an epoxy resin rather than a polyester and don't have to do any prep to the foam. Aero Marine makes some nice products. I used some on my Snark sailboat a few years back.

                  https://www.aeromarineproducts.com

                  Comment


                  • #10
                    I have used 2 coats of leftover latex wall paint over foam to prevent the resin from melting it. But I was using the glass over foam as the buck... not as a mold. Tried duct tape as it nicely contours over curves but ir wrinkled with the resin over top of it

                    Comment


                    • #11
                      Hi guys,
                      Thanks for all the suggestions.
                      I have kinda solved the problem.
                      I coated 3 layers of fillers and sprayed primer and painted. the extra coating works.
                      I will also try this product called ENVIRO TEX Lite
                      https://www.amazon.com/Environmental...EnviroTex+Lite

                      Comment


                      • #12
                        never tried latex paint but its claimed to work perfectly, I personally use automotive (oil) type primers but I topcoat the foam first with plaster. Be careful on larger areas especially flat or ones with small curves. if you are putting just a very thin layer of filler heat from curing resin will melt the foam and distort your molds or parts if you just interested in parts.
                        http://www.mychimaera.com
                        http://www.my240z.info

                        Comment


                        • #13
                          Originally posted by chimaera View Post
                          never tried latex paint but its claimed to work perfectly, I personally use automotive (oil) type primers but I topcoat the foam first with plaster. Be careful on larger areas especially flat or ones with small curves. if you are putting just a very thin layer of filler heat from curing resin will melt the foam and distort your molds or parts if you just interested in parts.
                          How about Plastidip?

                          Comment


                          • #14
                            Spackle works great, it's on my mirrors to the lightcycle, 😊

                            Comment


                            • #15
                              Originally posted by icetray View Post
                              How about Plastidip?
                              I personally have never used it. People generally use pink foam because it very ridgit can be machined and can be hard coated and be rad t make to from. I'm using the white foam cause its less expensive and in general f e its much better to work with. One thing about the white foam is that it melts very easily hence why I'm saying to top coat with plaster or some thing like it to give some surface stiffness
                              http://www.mychimaera.com
                              http://www.my240z.info

                              Comment

                              Unconfigured Ad Widget

                              Collapse
                              Working...
                              X