We are a United States based manufacturer of the Mirage Series of Contemporary Construction Products. With the strongest aluminum concealed door frame; there are no other trim-less door frame on the market like our Mirage Series Ghost Frame, Phantom Frame and Pocket Door Frame. Our Mirage Series also include our Patent Light Coves. You can contact us at: 844.MY.DORRS (844-693-6777) info@dorrhouzzer.com