small miratec_logo miratec_logo Featured Vendors Aluminum Soffit, Fascia & Rainware In construction, soffit refers to the material forming a ceiling from the top of an exterior house... to fascia) on a buildings' exterior can vary from 2-3 inches to well beyond 3 feet depending on construction. It can be non-ventilated or ventilated for cooling non livable attic... space. We also carry a full line of aluminum accessories and gutter coils suitable for most residential and commercial applications. Aluminum is by far the best material for soffits...