A roof with asphalt shingles can withstand two levels in advance of whole replacement results in being needed. Flat roofs with either an EPDM or TPO membrane is usually re-roofed with just one further layer. Should your roof has currently been re-roofed or is usually a metal roof, you may https://finnanxhq.ltfblog.com/28184301/local-metal-roofers-no-further-a-mystery