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CelluClay Question

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  • Member since
    May 2006
  • From: Chapin, South Carolina
CelluClay Question
Posted by Shipwreck on Tuesday, April 28, 2009 1:20 PM
I am trying to make a diorama using CelluClay as ground. The plastic base is about 12"x12", the CelluClay is about 1/4" to a peak of about 1". It has been drying for at least three days when I put it in a plexiglass case. The next day I noticed moisture inside the case. To thoroughly dry the base out, it was placed out in the sun on a mid-seventy degree day. It has now warped and the corners have lifted off of the base. Any idea of what happened?

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Revell 1/96 USS Constitution - rigging

Revell 1/48 B-1B Lancer Prep and research

Trumpeter 1/350 USS Hornet CV-8 Prep and research

 

 

 

  • Member since
    November 2005
Posted by Anonymous on Tuesday, April 28, 2009 1:27 PM

Yeah, it shrunk and curled...celluclay is famous for it...

...the way I deal with that tendancy is to mix copious amounts of white glue with it, as this takes care of some of the warping and shrinking tendency...another thing I do is try to pour off as much of the water as possible before laying it down...you might even consider straining it...It should have the look and feel of very thick oatmeal when it is right...

...you should never cover the base while it is drying as this just traps the moisture that is trying to evaporate...I also usually lay down something on the base for the clay to "bite" into...I use empty sprue trees as sort of a re-bar for it to "grab" onto...this also helps w/ curling...  

  • Member since
    June 2008
  • From: Iowa
Posted by Hans von Hammer on Wednesday, April 29, 2009 12:01 AM

What Manny said.. Especially the glue part...  Plus, one-inch thick Celluclay is pretty thick, lol.. It works best if you build it up in 1/4 to 1/2-inch thicknesses... If you have terrain that needs that height, it's best to build it up from underneath with blocks and such, and cover it with plaster-soaked cloth then apply the C-clay over it...

After the C-Clay is mixed, I always put it in a plastic bag, nip a small hole in it,  and squeeze as much water out as I can through the hole... Then, I use a blow-dryer and paper towels to wick off even more after it's applied to the terrain..

  • Member since
    December 2002
  • From: Massachusetts
Posted by ajlafleche on Wednesday, April 29, 2009 7:13 AM

Also, plastic requires a solvent based or chemical glue (palstic cement, super glue or epoxy) . The glues in Celluclay are water based, even with a ton of white glue, it will not adhere well to plastic. I use Cellucly on just about every figure/dio base and never have any problem with liftring or warping.

I put the amount of Celluclay I'm going to need in a container. Next, I add some railroad ballast or woody turf material to give it texture. I then squirt in some brown acrylic craft paint and a big dollop of white glue. I add only enough water to moisten this  mixture so it looks like really thick oatmeal. It feels about as moist as the clay we played with as kids. The base has been prepared by drilling a bunch of 1/8 inch holes. Any countours have been built up with styrofoam. I then spread the mixture over this, just deep enough to smooth out the countours and cover the base and give it an organic feel. I finally press in and blend any rocks/bouders/tree stumps. While it's moist, I'll do any touch up painting where the paint may not have blended  as well. I don't even seal the wood. Leaving it natural with the holes gives the Celluclay mixture more to bite into.

Remember, if the women don't find you handsome, they should at least find you handy.

  • Member since
    January 2009
  • From: clinton twp, michigan
Posted by camo junkie on Wednesday, April 29, 2009 10:56 AM
Sign - Ditto [#ditto] for all 3!!
"An idea is only as good as the person who thought of it...and only as brilliant as the person who makes it!!"
  • Member since
    May 2006
  • From: Chapin, South Carolina
Posted by Shipwreck on Wednesday, April 29, 2009 12:23 PM
Thank you to all of you for your contributions to my question. It will be very helpful for those starting out with CelluClay. As for me, now I know what I should have done. My patch job was to use Elmer's Household Cement which dries clear and flexible (the plastic base is flexible) and pouring it under the corners. The center stayed put because I drilled a half dozen holes in the plastic to anchor it down. So far it is holding!

On the Bench:

Revell 1/96 USS Constitution - rigging

Revell 1/48 B-1B Lancer Prep and research

Trumpeter 1/350 USS Hornet CV-8 Prep and research

 

 

 

  • Member since
    September 2006
  • From: Bethlehem PA
Posted by the Baron on Thursday, April 30, 2009 12:01 PM

I've found, too, that I can't try to force it to dry, by putting it in an area of higher temperature (like outside in the sun, or in an oven on warm).  Forcing the drying time has always led to some curling or-sorry, George!--shrinkage.  I get the mix as dry as possible, and let it dry at its own pace.

Regards,

Brad

The bigger the government, the smaller the citizen.

 

 

  • Member since
    June 2008
  • From: Iowa
Posted by Hans von Hammer on Friday, May 1, 2009 4:49 PM
Heat=ok in low, low temps, no more than 100-105 degrees though... It should feel slightly warmer to the touch than your hands... I use a blow dyer, but it's on low heat and fan only (switch back & forth) while I wick up the water with the paper towels... Then it sits on table with a fan blowing on it overnight...

  • Member since
    September 2006
  • From: Bethlehem PA
Posted by the Baron on Friday, May 8, 2009 11:43 AM

It's probably worth it to throw this tip into this thread, too, and I think it's courtesy of Hammer:  if you can find an old blender, use that to mix your Celluclay.  You can get a good uniform consistency.  I've been keeping my eye open for one at yard sales and flea markets.

Regards,

Brad

The bigger the government, the smaller the citizen.

 

 

  • Member since
    June 2008
  • From: Iowa
Posted by Hans von Hammer on Friday, May 8, 2009 12:44 PM
Yeah, I use a blender that I picked up at a pawn shop for 5 bucks...

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