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

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