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Posted by Slaytonp on April 24, 2003 at 16:11:48:
I think the one problem I didn't solve completely, alhtough I got it to work, was the waterproof sealant, so if anyone tries the Winterstone, there's no doubt better methods of final waterproofing. As I said, it is weather resistant, but like concrete or brick, no actually waterPROOF. I first tried a water based all purpose sealant to which I added the color and sand texturing. When this began to bubble and lift in places after testing for two days with water, I dried it all out and put a coat of Thompson's Water Seal on top of everything. This actually worked, but there's surely a better way. I experimented with adding Tints.all paste to some of the Thompsons, but it wasn't compatible. Another drawback is after curing and then testing again, there was an oily film in the water from the second sealant. I'm currently skimming and removing this, replacing the water as I go. If this isn't actually toxic, it certainly wouldn't be good for flora or fauna. Maybe a longer cure time would have avoided this.
This pic is of the clay mix being put over the armature of mesh and burlap. (The sculptor's mesh is very flexible and cuts with scissors)