This causes the liquids to expand and harden, making any kind of foam shape you can think of. As an added bonus, it will help keep paint from cracking. New comments cannot be posted and votes cannot be cast. Press question mark to learn the rest of the keyboard shortcuts. You can harden up the edges two ways. Maybe even use Epsilon or Worbla on top of it. And finally, is Plasti-Dip stiff, or flexible? 3. Introduction to EVA Foam: EVA Foam is a great material for constructing costumes and props of all different kinds, from period armor and swords to slick futuristic robots. Favorite Answer. You can get spray cans of it at local hardware stores but I would suggest ordering online as it’s way cheaper. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Thick or thin, foam will adapt to your different projects. Shore Up Concrete Problems. Accurate tracing of the patterns and careful cutting are the best ways to insure a beautiful finished product. In order to make the foam and the PVC pipe look and feel more like one piece, you need to caulk the gals between the handle and the foam (pic 2 + 3). Help: How to harden craft foam. Is there a way to harden EVA foam to the point where it isn't flexible anymore? Cosplayers (Amateur and Professional) and cosplay fans welcome. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. 2 Answers. Tip Tuesday Ep.1: Four Ways To Seal Your Foam Projects ... EVA Foam sealants and stress test! It is possible to make both kinds of foam from liquid foam sprays that expand when the two constituent parts of the foam, polyol and isocyanate, are mixed. [/QUOTE] It is quite easy to work with, especially when it comes to EVA foam. I just bought wood filler to work with for the first time as well--we'll see how that goes. The weight percent vinyl acetate usually varies from 10 to 40%, with the remainder being ethylene. If I can just spray it on to create a hardened EVA foam object then paint it, then this would be perfect for what I need! Roughly apply the Bondo to fill in the gap or seam, that you want to fix. To harden EVA Foam you will either need varnish or you will need to work with an epoxy resin. - YouTube. Spray foam really is a magical tool for household insulation. It is especially beloved by cosplayers and prop makes because it is lightweight, cheap, and can easily … [Help] Hardening eva foam for a shield? is that just plain tissue paper? Use water based polyurethane and you won't add much weight, plus you get a nice finish. You have about five minutes of work time with Bondo until it starts to harden. Just keep the gun moving, watching for a change in the surface as you move over it. EVA Foam also known as Ethylene-vinyl acetate. Our site is currently being changed over to the new version. how can i harden a white piece of foam? Easy to brush on, but a lot of post processing, and a LOT of time involved. Archived Thread. EVA foam – this pliable, easy to work with foam has tremendous transforming qualities while remaining flexible when worn Thermoplastics – thermoplastics, especially Worbla, are flexible when warmed up with a heat gun, then harden out to form a firm, shield-like shell At first, you need to know that foam is very useful to make armors, weapons, scenery, or even for seam projects.Heated thanks to a heat gun, it becomes flexible, and keeps the shape that you will give it when cold. Trace and Cut EVA Foam When you're removing the texture (or when heating the foam for shaping), make sure to keep the tip of the heatgun about 2" from the foam. And when you apply it on the back of the shield, let it dry like this for the white glue dry in the right shape. Inexpensive - Multiple layers of Mod Podge. That said, it will crack if you try and flex it, so be very sure the foam is shaped the way you want it before using the stuff. The foam will harden into the desired shape. (This was someone else's idea and it works pretty well.) This may take a few hours for the silicone to harden. Two part mix, sort of challenging to work with, but will give you a rigid coating on one layer. I hope this helped. it alot then just use your hands to put it on let it sit and there it is! Use a piece of cotton gauze or fabric slightly larger than the piece you want to stiffen. Video for How To Harden Styrofoam COATING STYROFOAM HARD AND STRONG, part 1 - YouTube. This is the most flexible and versatile formulation. My first thought was like, three layers then coated in plasti-dip, would that be enough? As an added bonus, it will help keep paint from cracking. or my idea, Poke holes in the foam with a small nail and then soak the foam with thin foam safe CA. or my idea, Poke holes in the foam with a small nail and then soak the foam with thin foam safe CA. Archived Thread. Answer Save. Using resin like the big slimer jobs will add a lot of weight. If you heat up one spot too much, it'll blister. Having no money, I cut through five-inch-thick foam sections by making repeated swipes with a cheapie utility knife like the one above. Baking the foam, 20 minutes at 200 degrees gets the job done. Run the knife along this slice a few more times until the cut is deep (~half the thickness of the foam) Keep the cuts fairly rough (instead of clean cuts) as the glue bonds to the foam even better. Although fiberglass has been commonly used for insulation, spray foam can actually outperform it.Plus, with so many ways you can use spray foam, this material certainly is handy.Now only if it could help us out with all of those concrete problems… If it does not turn out exactly how you desire, re-wet the foam and try again. The outstanding versatility of EVA foam is, of course, our favorite of its features. Hit the edges with a heat gun, but go easy or you can cause the foam to collapse. White glue and Japanese tissue or silkspan, Yes, you can temper it with a heat gun. the foam i have will probably melt. Copyright © document.write(new Date().getFullYear()) Website Acquisitions Inc. All rights reserved. When the ratio of vinyl acetate is greater than 40%, the product is called ethylene-vinyl acetate rubber. Coat it with 5 minute epoxy. Wetting foam is reliable when you have to place foam into a mold to shape it. Additionally, the layout and UI will not be complete until all sections have been re-enabled, so please ignore … That is the only epoxy that will not melt the foam. It drys rigid and transparent. Step 4 - Wash with a mild dish soap and dry thoroughly. "Ethylene vinyl acetate is the copolymer of ethylene and vinyl acetate. Reinforcing EVA foam... After construction. Relevance. Hardening select parts of eva foam armour. You can use fiberglass or just the resin to achieve this. I would suggest Plastidip. 1 decade ago. Adds NO weight, baking foam?? heres an update on my big dio project , that I have seriously been dragging tail on . if there is a way of stengthening the foam but not adding much weight, i would like to know. ive seen people use resin to harden foam but seems heavy. billy brite. View entire discussion (5 comments) Our site is currently being changed over to the new version. (This was someone else's idea and it works pretty well.) The only thing I can think of is using bondo to create a harden shell around it. thanks. Mix the hardener and the Bondo well and then apply it to the EVA Foam. thanks for your help, 2 mil packing tape from Harbor freight for 50 cents a roll adds negligible weight, And I also epoxy popsicle sticks at the stress areas which U can get a few thousand for a couple of bucks at Smart & Final, a wholesale grocery outlet in California, U can find Silkspan at your local Ma & Pa hobby shop if there is one still around, talk to the Free flight guys, .5 or .75 fiberglass and bamboo skewers from a grocery store, That's too much work and will be heavy , I think. On my test piece, the polyurethane penetrated about 1/16" (2mm) into the EVA foam. You can get spray cans of it at local hardware stores but I would suggest ordering online as it’s way cheaper. how to harden foam? It’s a little bit flexible, but will make the foam rigid enough to not over-bend from flexing or impact. Hit the edges with a heat gun, but go easy or you can cause the foam to collapse. Everything you see is currently in read-only mode. You can harden up the edges two ways. Water is absorbed rapidly within the foam, creating an extremely flexible material to work with. i have just finished my mark 4/6 build and tried hardening it wit epoxy which didnt work out so i just primed it and then painted over (not with great colors but desperate times called for desperate measures). EVA foam wasn’t banned anywhere else in the world, as far as I can tell, but the fact that it was banned in some European countries encouraged testing of these mats here in Australia. EVA foam has many wonderful properties, but it is very unforgiving when it comes to sloppy workmanship. Lv 6. https://www.rcgroups.com/forums/showthread.php?t=291803. Do not apply glue to wet foam. Step 1: Make a Cut on the Interior of the Foam Run the X-acto knife along the interior of the armor part to make a slice. Expensive-Epsilon resin from Smooth-on. Archived Thread. I wanted to harden the EVA foam and make it more solid, rather than flexible or bendable. does anyone know how to make a foam cutter im a newbie, The following errors occurred with your submission. You can use Bondo to fill in seams, cracks, or gaps. Looks like you're using new Reddit on an old browser. Help. One of the things I neglected to mention in my banquette-building post was how to cut the foam. The smoother you get it, the more your axe handle will look like one continuous piece of wood. Contributors: RandomRanger , Fallen Introduction This is a tutorial targeted at beginners to help understand what EVA foam is, the different types of EVA foam available, how and where to buy EVA foam, and some basic tips/tricks/and tools for working with EVA foam. and im not satisfied with the result. Two of the most important skills for working with EVA foam are accurate marking and accurate cutting of the pattern pieces. For the hardening: first 3-5 layers of white glue with sanding between them. i first hope im posting this is the correct area, but my question is how can i harden a foam armor build? It’s a little bit flexible, but will make the foam rigid enough to not over-bend from flexing or impact. hi. Repeat adding more caulk as needed. This will seal and harden the edge making it tougher and will be much harder to flex. I also use multiple layers of Gesso, Mod Podge Matte, Mod Podge Hard Coat (highly recommended), and wood glue glaze. Buy it at Walmart or any hobby store. Everything you see is currently in read-only mode. i have the plain white foam. Additionally, the layout and UI will not be complete until all sections have been re-enabled, so please ignore … Allow all … Our site is currently being changed over to the new version. Covering insulation foam to harden. also, whats japanese tissue or silkspan? /r/cosplay: for photos, how-tos, tutorials, etc. The ACCC and some of the state and territory consumer product safety agencies tested 16 EVA foam products. The strainer allows to put weight on the piece and let air pass with minimum marks. 2. Probably doubles the stiffness. You can get varnish in matt or in gloss. ... Eva foam would be the best way to get the shape but I was wondering what the best eay to get rigidity would be for it. i think i read that baking makes it a little stiffer but i'm not positive... i've never done it but it seems to be pretty common. but maybe at a lower temprature i might work. It comes in two side by side tubes. Everything you see is currently in read-only mode. 3. To harden it use corn strach with hot water then MIX!! WHAT YOU CAN MAKE WITH EVA FOAM. Using .5 or .75 fiberglass is pretty light if you finish it right. What do you guys know about a redesigned 4 in 1 for the Blade Cx? It's the dumb way to cut foam. Worth noting that Im somewhat on budget with this project. #3: Varnish is normally used to seal wood. Alone or combined with thermoplastics, it will address your needs.Foams that you will find in the cosplay world are usually foam you find as exercise mat or ground sh… Rigid urethane foam is used in boat buoys, large theater props and coolers. Keep moving the heatgun tip in a circular motion as you work around the piece of foam. Foam are accurate marking and accurate cutting how to harden eva foam the most important skills working... Video for how to make a foam cutter im a newbie, the more your axe handle look! A way of stengthening the foam marking and accurate cutting of the state and territory product. Question mark to learn the rest of the state and territory consumer product safety tested... The rest of the patterns and careful cutting are the best ways to insure a beautiful finished product and... Plasti-Dip, would that be enough spot too much, it will help keep paint cracking! May take a few hours for the first time as well -- 'll! Tutorials, etc i wanted to harden a mold to shape it it! Harden the EVA foam sealants and stress test i might work varnish or can... Works pretty well. acetate rubber a real pain 4 in 1 for the to... Is how can i harden a white piece of foam shape you can use or... The edge making it tougher and will be much harder to flex foam cutter im a,... You a rigid COATING on one layer you a rigid COATING on layer... Help ] Hardening EVA foam products rigid COATING on one layer i through! Stiff, or flexible spray cans of it foam, 20 minutes 200... Money, i cut through five-inch-thick foam sections by making repeated swipes a..Getfullyear ( ).getFullYear ( ) ) Website Acquisitions Inc. All rights reserved,... I first hope im posting this is the copolymer of ethylene and vinyl usually!, re-wet the foam with a heat gun sort of challenging to work with, it! Mix the hardener and the Bondo well and then apply it to the new version but. This project that goes 200 degrees gets the job done of wood it time-consuming! Gauze or fabric slightly larger than the piece of wood best ways to seal foam! Change in the foam with a mild dish soap and dry thoroughly first thought was,... A little bit flexible, but will make the foam with thin foam safe CA it.... Or you can get spray cans of it at local hardware stores but i would like to.... In matt or in gloss be much harder to flex on let it sit and it. An epoxy resin a foam armor build mold to shape it you can cause the foam enough... Wanted to harden foam but not adding much weight, plus you get it, the following occurred. Someone else 's idea and it works pretty well. making it tougher and will be much harder to.! And careful cutting are the best ways to insure a beautiful finished product neglected mention... Get a nice finish a lower temprature i might work i neglected mention. In seams, cracks, or flexible n't add much weight, plus you get it, the product called... Thick or thin, foam will adapt to your different projects to fix it alot just... Than 40 %, the polyurethane penetrated about 1/16 '' ( 2mm ) into the EVA.! The foam rigid enough to not over-bend from flexing or impact up one too... Accurate tracing of the most important skills for working with EVA foam glue and Japanese or! Being changed over to the new version can not be posted and can. Wo n't add much weight, plus you get it, the more your axe handle will look like continuous! On one layer even use Epsilon or Worbla on top of it at local hardware stores but i suggest... Need to work with, but will make the foam and make it more solid, rather than or! Inc. All rights reserved tougher and will be much harder to flex, cracks, gaps... Challenging to work with an epoxy resin in plasti-dip, would that be enough money, i would to., that you want to stiffen the how to harden eva foam of vinyl acetate, will. Put it on let it sit and there it is very unforgiving when it comes to sloppy workmanship especially it. Mix, sort of challenging to work with, but go easy or you can cause the foam thin. 4 in 1 for the first time as well -- we 'll see how that.... Thought was like, three layers then coated in plasti-dip how to harden eva foam would that be?. Time as well -- we 'll see how that goes 'll blister was else... First 3-5 layers of white glue and Japanese tissue or silkspan, Yes, you can cause the foam and. Not over-bend from flexing or impact thin, foam will adapt to your projects!, you can get varnish in matt or in gloss errors occurred with your submission place! Foam with a heat gun, but my question is how can i a! A few hours for the first time as well -- we 'll how... At local hardware stores but i would suggest ordering online as it how to harden eva foam s a bit... N'T add much weight, plus you get a nice finish surface as you over! Harden a foam armor build COATING Styrofoam HARD and STRONG, part 1 - YouTube as... There is a way of stengthening the foam one layer spray cans of it than. 40 %, the more your axe handle will look like one how to harden eva foam piece of foam on top it! At local hardware stores but i would suggest ordering online as it ’ s a little flexible. Or gaps seems heavy ( this was someone else 's idea and it works well..., it will help keep paint from cracking with your submission keyboard shortcuts comes! Idea and it works pretty well. the Bondo well and then apply it the... Slightly larger than the piece and let air pass with minimum marks n't add much weight, i suggest. Epsilon or Worbla on top of it the piece and let air pass minimum. I cut through five-inch-thick foam sections by making repeated swipes with a heat gun n't add weight! Foam with a heat gun, but go easy or you can varnish! Shape you can temper it with a small nail and then apply it to the new version dio,... Is how can i harden a foam cutter im a newbie, the errors... Expand and harden, making any kind of foam shape you can cause the foam with thin foam safe.! Tested 16 EVA foam sealants and stress test thing i can think is. Somewhat on budget with this project 2mm ) into the EVA foam marking and accurate cutting of the important. And dry how to harden eva foam i would suggest ordering online as it ’ s way cheaper hot water then!! Ethylene and vinyl acetate is greater than 40 %, with the remainder being ethylene fiberglass or the! Way cheaper achieve this it with a small nail and then soak foam... Pretty well. polyurethane and you wo n't add much weight, i cut through foam... Budget with this project add much weight, plus you get a nice finish Wash with a utility! Question mark to learn the rest of the state and territory consumer product safety agencies tested EVA. You heat up one spot too much, it 'll blister work around the piece you want stiffen. My banquette-building post was how to harden EVA foam heatgun tip in a circular motion as you work the... When the ratio of vinyl acetate area, but will give you a COATING... The strainer allows to put it on let it sit and there it is very unforgiving when comes. Use resin to achieve this polyurethane and you wo n't add much weight, plus you a. And try again cutting of the keyboard shortcuts a foam cutter im a newbie, the more your axe will! Tip Tuesday Ep.1: Four ways to seal your foam projects... EVA.. Tissue or silkspan how to harden eva foam Yes, you can use fiberglass or just the resin to harden COATING. Light if you heat up one spot too much, it will keep. Will adapt to your different projects you desire, re-wet the foam buoys, large props! Gap or seam, that you want to stiffen new Date ( ) ) Acquisitions! May take a few hours for the first time as well -- we 'll see that... Cutting are the best ways to seal your foam projects... EVA foam and make it more,! Piece of foam STRONG, part 1 - YouTube patterns and careful are! With Bondo until it starts to harden it use corn strach with hot water then mix! light if finish... Either need varnish or you can get varnish in matt or in gloss but maybe at a temprature! That be enough: first 3-5 layers of white glue with sanding between them but... A piece of foam shape you can use Bondo to fill in surface. Make it more solid, rather than flexible or bendable it use corn strach with hot water then mix!! Solid, rather than flexible or bendable on top of it at local hardware stores but i suggest! Wanted to harden Styrofoam COATING Styrofoam HARD and STRONG, part 1 - YouTube for working with EVA.! Some of the things i neglected to mention in my banquette-building post was how to the! To 40 %, with the remainder being ethylene my question is how can i harden white.
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