Huge styrofoam blocks?

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Where can I purchase huge blocks of styrofoam in the U.S.?

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Pretty much any hardware store, mind youd have to stack a few sheets together so the seem-lines could be a problem.

I havent looked at google yet, but I am not sure if that is something readily available or not. If not what about using multiple sheets of 4×8 home insulation sheets glued together to reach the desired thickness?

Found this site but they want about $800 for a block the size you are looking for, and that is only for expanded polystyrene…without shipping.

I want to do some large scale carving.You might want to contact the guy who builtFoamhenge- hes in Virginia, and obviously had access to HUGE styrofoam blocks…

BTW, I have no idea who the kid is – just a photo I found through Google…

Ive been looking for the same thing for about a year now. $800 per block (not including shipping) is outta my price range though. I keep thinking of that old show Monster House – theyd get that crap delivered by the truckload and just go to town on them. Was thinking of starting with an Easter Island head for myself. Please keep us updated on here if you have any luck – Ill do the same.

You need to find a local manufacture as you will get charged balloon rate shipping and it will slaughter you… Yellow page searches for sculpting, plastic and foam suppliers in your area… Dont be shy about asking around, like maybe a call to the local community college art department…

Short of that house foam and great stuff from your local hardware store… It works wonderful for an on the cheap build up, and with some selective layering you can actually knock out a lot of the initial shape…

Or if you want a DIY solid block knock together a plywood mold and line it with thin painters plastic sheeting and get yourself several gallons of 2 foam, mix pour and watch your creation come to life…

If youre looking to do it on the cheap, then you can forget about solid foam blocks. $800 per block is the norm.

You need to find a local manufacture as you will get charged balloon rate shipping and it will slaughter you… Yellow page searches for sculpting, plastic and foam suppliers in your area… Dont be shy about asking around, like maybe a call to the local community college art department…

Short of that house foam and great stuff from your local hardware store… It works wonderful for an on the cheap build up, and with some selective layering you can actually knock out a lot of the initial shape…

Or if you want a DIY solid block knock together a plywood mold and line it with thin painters plastic sheeting and get yourself several gallons of 2 foam, mix pour and watch your creation come to life…

What about doing a combination? make a mold as Exoray suggested, but use a few of the thick pink foam sheets to take up some space so you dont have to use as much 2-part foam? kind of like a giant multi-layer eva foam ice cream sandwich

Pretty much any hardware store, mind youd have to stack a few sheets together so the seem-lines could be a problem.

Yes and no. Theres another thread aroud here where a guy did some large scale foam sculpting, including a mos eisley landspeeder, with layered foam.

The results looked fantastic, dont worry about te layer lines if u bond them together real good and San the final project good with a surface coat of something, you should be great.

The pink/blue foam costs about $20-25/sheet at your local hardware store. Its not a cheap medium, not the bigger you go.

What are you building? What if you made a chickenwire frame covered with papier mch and a hard shell sealant instead?

I got a few from my professor for a senior project for a sculpting class when I was in college. I dont remember where he got them, but they were free.

But forget trying to sculpt anything out of them, as they make a horrible mess. I gave up on that as a medium and went with something else.

They use those full (4x4x16) EPS billets for large scale civil construction projects, overpasses, etc… always wondered what was done with the left-overs?

Although I havnt seen them used lately, you might try a boat dock manufacturer/dealer/installer in your area. They used to use them as floats, but I think theyre mostly rotomolded floats now.

Good luck, let us know if you find it because Ive wondered this myself.

I just went through the same search myself in my area. Finally got a couple slabs of extruded foam — the crunchy stuff — from the crafts sections at my local Ace hardware and pieced that together.

I came out of theater, and I got used to having access to great big chunks of white bead foam. In my mind, you start with a great big lump and you carve it down.

But next project, Im going with pink foam, and will pre-cut and laminate UP. Ive seen what a couple of people here have been doing with that, especially combined with CAD and printed templates, and Im eager to try that instead of continuing the fruitless search for giant chunks of pristine foam.

North of Orlando FL. If you cross the river you went too far.

Anybody else notice the thread was from a year and a half ago?

Anybody else notice the thread was from a year and a half ago?

So, its still relevant to the topic at hand, its not like some year and a half for sale thread or something that expires… Although truthfully I have actually scored some great deals on long expired sales threads that never sold, so even they are not a waste…

No need to start another thread about the same thing, that just wasteful… In fact its constantly suggested by many that someone took the time to search before starting a new thread, and its the reason that this forum in not auto purged after a year or so like it used to be…

My original advise hold true, on this subject…

This was done by my brother many years ago now, its on pubic display in a retail store still to this day and has held up fine… Its pink insulation foam layered up, carved and spray coated with epoxy resin… Im also in the middle of doing a 50s style car shell for a wagon for my daughters to participate in the annual community parade in a few weeks, using a wood frame covered in a layer of pink foam…

Thats gorgeous! Whats funny is that I just got the urge to add a moai and a tiki to my back yard, and my first instinct was to carve them myself. (Of course, if I actually want to have them, Id be better off just buying them.)

You can buy fromStyrofoam Blocks Expanded Polystyrene Polyurethane Foam Blocks from Universal Foam Productsand also get quick quote using free online Foam calculator atEPS Pricing Calculator Universal Foam Productsand also you can buy online from

Last edited by geevarcb; Aug 4, 2012 at

There are some at The Point at Walden. They were purchased for a dock repair but were not used. Lake Conroe – Montgomery, TX

There are some at The Point at Walden. They were purchased for a dock repair but were not used. Lake Conroe – Montgomery, TX

Are these still out at there? If so I can come this weekend..

We got a local factory that makes large Styrofoam blocks for roofing insulation and landscaping. Havent bought blocks from them, but loose beads (I use them for beanbags) run roughly $3/ft3 if memory serves. Ill post actual prices when I go back next.

They do exist. Here in Williamsburg Va. at Busch Gardens large blocks were used to make the ice cave at the penguin exhibit during Christmas.

Perhaps if you could contact them they could help. They set them up in the huge area of the Festhause where they cut and shaped them there.

You might want to contact the guy who builtFoamhenge- hes in Virginia, and obviously had access to HUGE styrofoam blocks…

BTW, I have no idea who the kid is – just a photo I found through Google…

Mark Cline is the artist who made that. He sculpts a lot of fiberglass characters for theme parks and businesses as well as for his own art installations. We took a family trip to Natural Bridge a couple of years ago and visited foamhenge in person. It includes a wizard whos face is a death cast of an actual person Mark was friends with.

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