can you get plastic wrap or wax paper to sit tight into your mold.
Date: Wed, 24 Sep 2014 11:30:05 -0400
Subject: Mould for terroxy - what material doesn't stick?
From:
bairdstandish@gmail.comTo:
sccpartners@stoneandtilepros.simplelists.comHi. We have been working with a bullnose in a terrazzo step. In order to get the curvature of the bullnose correct with less grinding, we have been experimenting with creating a mould. We successfully created a mould from the bullnose made of plaster reinforced with burlap. We then sprayed the mould with silicone and then filled with a combination of stones and terroxy. Unfortunately the terroxy attached to the plaster and is almost impossible to get off. I didn't think it would be so hard to remove. Wondering what material I can use between the plaster and terroxy that would create an easy separation.
On another note, I mixed the terroxy as prescribed (5-1) and added the aggregate but some of it came out gummy. Maybe not enough mixing? Although I thought we mixed it pretty well. I have had this happen sporadically before. Any thoughts on the above? Much appreciate it.
Baird
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