Help!!! Started my scenery. Have plaster cloth over foam or cardboard strips. This is the first time I have used Structo-Lite. Mixed it according to bag instructions. Sprayed water on the dried plaster cloth. Applied the Structo-Lite approx. 1/8 to 1/4 inch thick over a 4'x4' area. Next morning it appeared dry, but surface was covered with cracks. What did I do wrong? (Probably applied it too thick?). How do I fix? (cover with a lite slurry of Structo-Lite?)
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