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Using Liquid Latex for Large Props

8532 Views 18 Replies 9 Participants Last post by  Bruzilla
I was considering using liquid latex to create wings for a demon prop this year. I've never used it before, can someone who's used it for anything similar sized please let me know if I'm off track?

If I create an outline of a wing on the garage floor, pour liquid latex & allow to dry, will it lift up? Or will I have a big sticky mess?
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I did a small flat project fairly recently. It's not the scope you're talking about, but the principles still apply. If you pour directly onto the floor, you should probably have a thin coat of mold release under your pour. Some people use cooking spray for small molds. I don't know why it wouldn't work for larger areas. It has been suggested that any residual oil should be washed off after. I don't know whether it would have a negative effect on the latex, but best not to risk it, I guess.
Also, when you peel your finished product up, it can stick to itself and be difficult to re-smooth. A little dusting of cornstarch, baby powder, or similar helps keep that from happening.

Maybe you've already considered and dismissed the idea, but I'll bring it up anyway. Sheet latex might be cheaper, and you can get it in various thicknesses and a wide variety of colors. It's what I'm working with for bat & gargoyle wings. You could texture it or build it up in spots with liquid latex (if you prep it for adhesion).
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From the way it's presented, I gather the biggest market for latex 'fabric' sheets is in fetish costume construction. I tend to prefer cotton T's and jeans myself, but the stuff makes wicked bat wings. I ordered from a place in Canada the first time I got some, but I don't remember the name of the supplier. More recently I ordered from MJTrends. I got some adhesive from them, too, but haven't tried using it yet. The sheeting is good quality, and you can order by the yard. Shipping costs were within reason, and they were quick.
They do have translucent options. I like transparent smoke, but it's not available in the thicker fabrications. It's tough stuff, though, even in .2 mm
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Just remember that liquid latex will flow before it sets, and if you drape dip-coated netting over a form with higher and lower areas, you'll get thick and thin spots. Also, if you use a non-elastic reinforcement like netting, your finished product will lose the elasticity of just latex. That may or may not be an issue for you, but it's something to bear in mind.
The medium is fairly pricey. If you choose to dip, you might want to consider a little small-scale experimentation before you go for the real deal.
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