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Tiki Central Forums Creating Tiki Other Crafts MadDog Mike's Platterful of Pupule-Burnin' Down the House!
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MadDog Mike's Platterful of Pupule-Burnin' Down the House!
TikiAno
Tiki Socialite

Joined: Aug 07, 2012
Posts: 782
From: San Diego, CA
Posted: 2014-01-15 10:31 pm   Permalink

Great idea- I haven't poured any concrete over foam, though I knew someone that sprayed Rhino Lining over foam for sculptures and it worked really well. I'd try some small tests, but I wonder how the weight of the concrete would work on top of the lightweight foam....



 
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MadDogMike
Grand Member (6 years)  

Joined: Mar 30, 2008
Posts: 7248
From: The Anvil of the Sun
Posted: 2014-01-16 06:18 am   Permalink

Thanks Dave and Jon

Dave, I know they do concrete or thinset or something over foam for mosaic sculpture but I've just never tried it. My son in law used to own a Line-X dealership and I had access to FREE Line-X but he sold the business. It works awesome over foam but it ain't cheap.
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Pirate Ship Tree House

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TikiAno
Tiki Socialite

Joined: Aug 07, 2012
Posts: 782
From: San Diego, CA
Posted: 2014-01-16 10:16 pm   Permalink

Rhino lining ain't cheap either.... concrete would be inexpensive to try out... and I'm sure we're all curious if it would work. Actually, I remember someone using concrete over foam in the carving forum a while back? (Maybe in Australia?) I might be remembering something wholly different, though....

 
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LoriLovesTiki
Tiki Socialite

Joined: Jul 03, 2011
Posts: 843
From: NJ
Posted: 2014-01-29 6:02 pm   Permalink

Dave's right. When I was researching making concrete tikis for my backyard I saw someone who had put concrete over carved Styrofoam or something very similar.

I just saw the boar on FB so I know you were successful. I need to repair a giant tiki flowerpot I bought at Christmas Tree Shops that has since cracked. I was going to ask you for repair suggestions Mike.
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Lori


 
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danlovestikis
Grand Member (6 years)  

Joined: Jun 17, 2002
Posts: 4648
Posted: 2014-01-30 08:25 am   Permalink

Dan was looking over my shoulder and said, "that guy is always creating art", so true, that's a wonderful bunch of animals. You are so good. Wendy
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MadDogMike
Grand Member (6 years)  

Joined: Mar 30, 2008
Posts: 7248
From: The Anvil of the Sun
Posted: 2014-01-30 2:11 pm   Permalink

Thanks ladies

I've been taking lots of step-by-step pictures and will post them when my piggie is done, hopefully this weekend. Started with the foam sculpture, added a couple of coats of mortar mix, next a coat or two of concrete vinyl patch with some pigment. Hopefully it will work
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Pirate Ship Tree House

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MadDogMike
Grand Member (6 years)  

Joined: Mar 30, 2008
Posts: 7248
From: The Anvil of the Sun
Posted: 2014-01-31 3:24 pm   Permalink

The Polynesian Feral Pig (Sus scrofa) seen here in it's adopted tropical habitat. He looks a bit uneasy, maybe he has heard rumor that he is to be the "guest of honor" at the next luau


I decided I wanted a near-life-sized boar in my tropical garden. A ceramic sculpture would have been a fun challenge for me with lots of texturing and glazing opportunities. But I don't have access to a kiln 3 feet long so I decided on concrete over foam with ceramic tusks and eyes. Years ago I picked up a truckload of free Styrofoam blocks and made a
vertical heated wire cutter and a horizontal heated wire cutter to work with it. I started with four blocks of foam, each 6x6x34 inches.


I'm not so good at freehanding such things, so I found 3D CAD images of a boar a gridded it out onto the foam blocks.


I cut it out with the heated wire.


Cut all four pieces and glued them together.


Then took a SurForm rasp and finished sculpting the shape. The ceramic tusks and eyes each have a large peg formed onto them to embed them into the Styrofoam.


Here's where I veered off into uncharted waters having never done concrete sculpture before. I mixed up some mortar mix to the consistency of a thick milkshake and started spreading it on the foam (in the kitchen of course ) It covered the horizontal surfaces easily (back & top of head) but was difficult to make it stick to the sides. I ended up just smearing it on the sides, enough to get a thin coating. After this mortar was set, I applied another layer. The next layer was easier to apply, the dry rough concrete of the previous coat allowed the second coat to stick better. I used the second layer to build up some details on the face. Total thickness of the mortar mix was about 1/4 to 1/2 inch.


After the mortar mix cured for a day, I put on a final coat to smooth and color the boar. I used Quikcrete Vinyl Patching Compound which contains very fine sand and adhesion additives. I added 1/4 cup of Quikrete Charcoal Liquid Cement Color to 8 cups of the dry mix and enough water to make a thin slurry, about the consistency of cream of wheat. I spread it on with my hands then used a large paint brush to smooth it out. After the patching mix had set for a little while, I used a stiff brush to make some hair texture on the top of the head and down the middle of the back.

At some point I will put a concrete sealer on it. Since the pigment is embedded in the concrete and the ceramic is glazed he should look good in my garden for years to come

Edit - updated top picture
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Pirate Ship Tree House

[ This Message was edited by: MadDogMike 2014-02-09 08:18 ]


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zerostreet
Grand Member (3 years)  

Joined: Feb 06, 2010
Posts: 1936
From: http://www.zerostreet.com
Posted: 2014-01-31 3:59 pm   Permalink

Wow! That's pretty impressive Mike!

 
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little lost tiki
Tiki Socialite

Joined: Jun 12, 2006
Posts: 7568
From: Orange,CA-right near the Circle!
Posted: 2014-01-31 5:03 pm   Permalink

you....are....a...MADMAN!

you always bring the BEST out of the most unlikely materials!
YOU would be the innovative individual one needs on a deserted island
Hands down!


 
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Atomic Tiki Punk
Tiki Socialite

Joined: Jul 19, 2009
Posts: 5880
From: Costa Misery
Posted: 2014-01-31 5:22 pm   Permalink

Mike! you are so ultra creative it's "ridiculi", that's the plural of ridiculous.

 
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LoriLovesTiki
Tiki Socialite

Joined: Jul 03, 2011
Posts: 843
From: NJ
Posted: 2014-01-31 6:06 pm   Permalink

Thanks for the step by steps! U da man!

 
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TikiAno
Tiki Socialite

Joined: Aug 07, 2012
Posts: 782
From: San Diego, CA
Posted: 2014-01-31 6:35 pm   Permalink

Awesome. I'm with Ken- you're always welcome in my camp when it's "that" time...

Impressive work, as always, I'm sure it'll be a hit.


 
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danlovestikis
Grand Member (6 years)  

Joined: Jun 17, 2002
Posts: 4648
Posted: 2014-01-31 8:35 pm   Permalink

I am always amazed at all you can do. Wendy

 
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Skipper
Tiki Centralite

Joined: Oct 26, 2010
Posts: 89
From: Denmark, Frederikshavn
Posted: 2014-02-01 08:47 am   Permalink

Well seen it on facebook Mike, and it still looking cool You schuld do a lot more off these

 
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cy
Tiki Socialite

Joined: Mar 10, 2011
Posts: 823
From: Gresham, Oregon
Posted: 2014-02-01 09:06 am   Permalink

Great work MadDog, always interesting, never boaring.

 
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