A roof with asphalt shingles can stand up to two levels prior to whole alternative results in being essential. Flat roofs with either an EPDM or TPO membrane could be re-roofed with a person additional layer. In case your roof has presently been re-roofed or can be a metal roof, https://local-metal-roofing-contr09887.sharebyblog.com/28788261/not-known-factual-statements-about-re-roofing