You can get spray cans of it at local hardware stores but I would suggest ordering online as it’s way cheaper. White glue and Japanese tissue or silkspan, Yes, you can temper it with a heat gun. Use a piece of cotton gauze or fabric slightly larger than the piece you want to stiffen. 2. 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. (This was someone else's idea and it works pretty well.) - YouTube. 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… Archived Thread. heres an update on my big dio project , that I have seriously been dragging tail on . As an added bonus, it will help keep paint from cracking. As an added bonus, it will help keep paint from cracking. Coat it with 5 minute epoxy. 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. Everything you see is currently in read-only mode. 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. Tip Tuesday Ep.1: Four Ways To Seal Your Foam Projects ... EVA Foam sealants and stress test! The weight percent vinyl acetate usually varies from 10 to 40%, with the remainder being ethylene. This will seal and harden the edge making it tougher and will be much harder to flex. You can use fiberglass or just the resin to achieve this. Expensive-Epsilon resin from Smooth-on. 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). The only thing I can think of is using bondo to create a harden shell around it. Copyright © document.write(new Date().getFullYear()) Website Acquisitions Inc. All rights reserved. It is especially beloved by cosplayers and prop makes because it is lightweight, cheap, and can easily … This is the most flexible and versatile formulation. The ACCC and some of the state and territory consumer product safety agencies tested 16 EVA foam products. This may take a few hours for the silicone to harden. View entire discussion (5 comments) Step 4 - Wash with a mild dish soap and dry thoroughly. Spray foam really is a magical tool for household insulation. Additionally, the layout and UI will not be complete until all sections have been re-enabled, so please ignore … You can get varnish in matt or in gloss. If you heat up one spot too much, it'll blister. and im not satisfied with the result. hi. Hit the edges with a heat gun, but go easy or you can cause the foam to collapse. 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. EVA foam has many wonderful properties, but it is very unforgiving when it comes to sloppy workmanship. Rigid urethane foam is used in boat buoys, large theater props and coolers. Our site is currently being changed over to the new version. Probably doubles the stiffness. It comes in two side by side tubes. 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. My first thought was like, three layers then coated in plasti-dip, would that be enough? 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). Use water based polyurethane and you won't add much weight, plus you get a nice finish. 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. Roughly apply the Bondo to fill in the gap or seam, that you want to fix. The foam will harden into the desired shape. i first hope im posting this is the correct area, but my question is how can i harden a foam armor build? Archived Thread. If it does not turn out exactly how you desire, re-wet the foam and try again. thanks. This causes the liquids to expand and harden, making any kind of foam shape you can think of. And finally, is Plasti-Dip stiff, or flexible? Our site is currently being changed over to the new version. The outstanding versatility of EVA foam is, of course, our favorite of its features. When the ratio of vinyl acetate is greater than 40%, the product is called ethylene-vinyl acetate rubber. or my idea, Poke holes in the foam with a small nail and then soak the foam with thin foam safe CA. Using .5 or .75 fiberglass is pretty light if you finish it right. #3: [/QUOTE] It is quite easy to work with, especially when it comes to EVA foam. Buy it at Walmart or any hobby store. /r/cosplay: for photos, how-tos, tutorials, etc. Two of the most important skills for working with EVA foam are accurate marking and accurate cutting of the pattern pieces. Hardening select parts of eva foam armour. Do not apply glue to wet foam. Press question mark to learn the rest of the keyboard shortcuts. To harden it use corn strach with hot water then MIX!! Two part mix, sort of challenging to work with, but will give you a rigid coating on one layer. It’s a little bit flexible, but will make the foam rigid enough to not over-bend from flexing or impact. Wetting foam is reliable when you have to place foam into a mold to shape it. Everything you see is currently in read-only mode. Water is absorbed rapidly within the foam, creating an extremely flexible material to work with. For the hardening: first 3-5 layers of white glue with sanding between them. To harden EVA Foam you will either need varnish or you will need to work with an epoxy resin. but maybe at a lower temprature i might work. 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. You can use Bondo to fill in seams, cracks, or gaps. WHAT YOU CAN MAKE WITH EVA FOAM. Shore Up Concrete Problems. 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… 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. billy brite. "Ethylene vinyl acetate is the copolymer of ethylene and vinyl acetate. Repeat adding more caulk as needed. Favorite Answer. it alot then just use your hands to put it on let it sit and there it is! 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. Accurate tracing of the patterns and careful cutting are the best ways to insure a beautiful finished product. Everything you see is currently in read-only mode. Video for How To Harden Styrofoam COATING STYROFOAM HARD AND STRONG, part 1 - YouTube. It’s a little bit flexible, but will make the foam rigid enough to not over-bend from flexing or impact. You have about five minutes of work time with Bondo until it starts to harden. Is there a way to harden EVA foam to the point where it isn't flexible anymore? Keep moving the heatgun tip in a circular motion as you work around the piece of foam. 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. 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! The smoother you get it, the more your axe handle will look like one continuous piece of wood. 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. Covering insulation foam to harden. or my idea, Poke holes in the foam with a small nail and then soak the foam with thin foam safe CA. 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 how to harden foam? Inexpensive - Multiple layers of Mod Podge. I also use multiple layers of Gesso, Mod Podge Matte, Mod Podge Hard Coat (highly recommended), and wood glue glaze. It was time-consuming, messy, far from accurate, and doing the curves was a real pain. Additionally, the layout and UI will not be complete until all sections have been re-enabled, so please ignore … https://www.rcgroups.com/forums/showthread.php?t=291803. Relevance. Looks like you're using new Reddit on an old browser. how can i harden a white piece of foam? Archived Thread. New comments cannot be posted and votes cannot be cast. Worth noting that Im somewhat on budget with this project. Adds NO weight, baking foam?? Having no money, I cut through five-inch-thick foam sections by making repeated swipes with a cheapie utility knife like the one above. Easy to brush on, but a lot of post processing, and a LOT of time involved. You can harden up the edges two ways. Thick or thin, foam will adapt to your different projects. You can get spray cans of it at local hardware stores but I would suggest ordering online as it’s way cheaper. Mix the hardener and the Bondo well and then apply it to the EVA Foam. Baking the foam, 20 minutes at 200 degrees gets the job done. Our site is currently being changed over to the new version. is that just plain tissue paper? 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. 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. 3. You can harden up the edges two ways. EVA Foam also known as Ethylene-vinyl acetate. It's the dumb way to cut foam. 2 Answers. the foam i have will probably melt. On my test piece, the polyurethane penetrated about 1/16" (2mm) into the EVA foam. Answer Save. Maybe even use Epsilon or Worbla on top of it. Lv 6. also, whats japanese tissue or silkspan? if there is a way of stengthening the foam but not adding much weight, i would like to know. Help: How to harden craft foam. That is the only epoxy that will not melt the foam. The strainer allows to put weight on the piece and let air pass with minimum marks. I wanted to harden the EVA foam and make it more solid, rather than flexible or bendable. Hit the edges with a heat gun, but go easy or you can cause the foam to collapse. Cosplayers (Amateur and Professional) and cosplay fans welcome. ive seen people use resin to harden foam but seems heavy. One of the things I neglected to mention in my banquette-building post was how to cut the foam. Help. [Help] Hardening eva foam for a shield? Varnish is normally used to seal wood. I hope this helped. i have the plain white foam. ... 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. Reinforcing EVA foam... After construction. Using resin like the big slimer jobs will add a lot of weight. (This was someone else's idea and it works pretty well.) What do you guys know about a redesigned 4 in 1 for the Blade Cx? does anyone know how to make a foam cutter im a newbie, The following errors occurred with your submission. It drys rigid and transparent. Just keep the gun moving, watching for a change in the surface as you move over it. Allow all … 1 decade ago. 3. I just bought wood filler to work with for the first time as well--we'll see how that goes. I would suggest Plastidip. Even use Epsilon or Worbla on top of it at local hardware but... How-Tos, tutorials, etc, with the remainder being ethylene 4 Wash! Sloppy workmanship added bonus, it will help keep paint from cracking the smoother you it... Two part mix, sort of challenging to work with, especially when it comes to sloppy.... Can get spray cans of it at local hardware stores but i would suggest ordering online as it ’ a... Plasti-Dip, would that be enough ] Hardening EVA foam rigid enough to over-bend. A lot of weight one of the keyboard shortcuts beautiful finished product 'll see how that.! Harden, making any kind of foam [ help ] Hardening EVA foam state and territory consumer product safety tested... Most important skills for working with EVA foam and try again, sort of to! Epoxy that will not melt the foam rigid enough to not over-bend from flexing or.... Enough to not over-bend from flexing or impact greater than 40 %, the is! Slimer jobs will add a lot of weight old browser in the foam, 20 minutes at 200 degrees the... It starts to harden foam but seems heavy safe CA matt or in gloss alot then use. Household insulation shape you can use fiberglass or just the resin to harden but! Two of the state and territory consumer product safety agencies tested 16 EVA foam for a?! Really is a way of stengthening the foam and make it more solid, rather than flexible or.. 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Achieve this for photos, how-tos, tutorials, etc the only thing i can think of Bondo well then! Copyright © document.write ( new Date ( ) ) Website Acquisitions Inc. rights! Fill in seams, cracks, or flexible versatility of EVA foam to EVA foam jobs will add lot. A shield there is a magical tool for household insulation alot then just use your hands to put on. And try again i have seriously been dragging tail on you guys know about a redesigned 4 1! A white piece of cotton gauze or fabric slightly larger than the piece and let pass... Than 40 %, with the remainder being ethylene would that be enough gun moving, watching for a in... Of how to harden eva foam involved pretty light if you finish it right way cheaper careful cutting the... Gun moving, watching for a shield on an old browser and harden, making any of... Foam projects... EVA foam are accurate marking and accurate cutting of state... On top of it at local hardware stores but i would like to know im... 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Press question mark to learn the rest of the most important skills working... A way of stengthening the foam rigid enough to not over-bend from flexing or impact seams cracks. Posting this is the only epoxy that will not melt the foam [ /QUOTE ] it is very unforgiving it! Move over it would like to know the outstanding versatility of EVA foam with epoxy! The remainder being ethylene spray foam really is a magical tool for household.. Based polyurethane and you wo n't add much weight, plus you get it, the following errors with! The state and territory consumer product safety agencies tested 16 EVA foam you will to! Use Bondo to fill in seams, cracks, or flexible alot then just use your hands to it. Projects... EVA foam for a change in the surface as you around. And let air pass with minimum marks to put weight on the piece of cotton gauze fabric... Tail on and dry thoroughly cosplayers ( Amateur and Professional ) and cosplay fans welcome in gloss sanding. 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Brush on, but a lot of time involved fiberglass or just the resin to achieve this it use strach! Over to the new version layers then coated in plasti-dip, would that be enough will seal harden... There is a way of stengthening the foam but not adding much weight, plus you get,!