Metropol Pictures is set to release the horror-thriller “Union Furnace” on Blu-ray and DVD. Director Nicholas Bushman (“Stranger in the Dunes”) co-wrote the film with Mike Dwyer (“Sandbar”). Dwyer also stars in “Union Gamble” along with Keith David (“Platoon”), Katie Keene (“ClownTown”) and newcomer Seth Hammond. Metropol Pictures will release “Union Furnace” on August 15th …