I recently performed a vanish of a person using a zombie-type gimmick and a bedsheet, although for this method, the sheet was a bit on the heavy side. I was wondering if anybody had a suggestion where I could find a more suitable cloth. I was thinking maybe a cloth like the one used for the ashrah.

I have used the material that is generally used for lining suits. I don't what it is called there, but here its known simply as "lining silk". Obviously its not silk but synthetic and rather light (still there are lighter fabrics). Its really shiny which makes it look good on stage.

Usually lining fabric is a light rayon or acetate fabric. (Just ask the nice folks at the fabric store)When it is really lightweight, I suggest a double layer at least for a portion as the lighting can give it away if you are not careful. ALSO, beware the flamability factors, you may need to get it sprayed.
k

Now I knew there's gotta be someone who knows these things better than I do! LOL I have found that a single layer will work (though the ones I use are propably on the thicker end of the scale). The shininess actually helps a lot in that regard. But in that case, yes the lighting needs to be right.

Hey Geo talk to me at the next ring meeting about this I have a resource you'll love.
Mike