Castle’s Soffit and accessories are a striking example of our commitment to quality and craftsmanship. The Royal Soffit Series includes: Triple 4 Soffit, a three-panel profile available in vented, center vented and solid panels; Double 5, a two-panel profile in vented and solid; and Royal’s exclusive Beaded Panel, a tongue-and-groove profile with its specially concealed ventilation system, also available in a solid format.