Commercial roofing is not residential with bigger numbers. The buyer is a property manager, facilities director or REIT asset manager. They are evaluating on system specification, warranty terms, disruption to tenants, safety record and bonding capacity — not on how friendly the crew seems.
Search volume is small, so the strategy is different too: fewer keywords, far more depth per page, and content aimed at people who already understand the difference between TPO and modified bitumen.