After you add Grit to How Wire's Foam Coat, it will have the look and feel of stone, with the added benefit of strengthening the Foam Coat.

MIXING: Thoroughly mix Grit with Foam Coat to the desired grittiness. Up to 1/3rd Grit to Foam Coat will strengthen and increase coverage of Foam Coat.
APPLYING: Apply according to directions on Foam Coat.
SET TIME: Grit will not change the set or cure time for Foam Coat.
CLEAN-UP: Immediately clean tools and brushes with soapy water.
FINISHING: May be painted or stained. Cannot be easily sanded

Use up to 1/3rd of a 3 lb container of Grit with a 3 lb container of How Wire's Foam Coat. Use up to 8 lbs of Grit with a 25 pound box of How Wire's Foam Coat.