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

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