Top Rated Renovation Services In Toronto All aluminum & vinyl soffit or fascia is normally mounted above a sound foundation like plywood-excess is needed for prefabrication. Basically, if you plan so as to add an addition with vaulted ceilings - no matter whether you’re building up, out, or down - https://duckduckgo.com/?q=basement+renovation&iar=videos&iax=videos&ia=videos&iai=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DLKJ__J5P0HE