Tenderloin Roofing & Commercial Roof Repair

Licensed, insured and working in Tenderloin

Multi-unit buildings in Tenderloin usually require a low-slope system and a maintenance plan rather than a one-off repair. In practice, resealing penetrations on a Tenderloin roof every few years is the cheapest the job anyone will ever do on the building. In practice, flashings at the chimney on an older Tenderloin house usually require attention well in advance of the covering does. The majority of Tenderloin roofs that fail early fail at a penetration someone could have resealed for a few hundred dollars.

In practice, expansion and contraction loosens fixings on Tenderloin roofs long in advance of the material itself gives out. In practice, afternoon sun on a west-facing Tenderloin slope ages that side seasons ahead of the rest of the roof. That is as true in Tenderloin as anywhere in San Francisco County. Attic ventilation on a Tenderloin property is not optional — trapped heat cooks the covering from underneath. We see it on Tenderloin roofs every week. In practice, converted garages in Tenderloin are a common source of leaks because the roof was never upgraded with the conversion.

Moss on a shaded Tenderloin slope should be treated rather than scraped, since scraping takes the granules with it. As a rule, tenderloin gets its rain in a handful of concentrated winter storms, which means drainage that sat dry collecting debris has to move everything at once. On most jobs, housing stock in Tenderloin runs across several eras, and each one brings its own roof. What sits above the ceiling as a rule tells you when the building went up. Put simply, drainage is the cheapest maintenance on any Tenderloin building — blocked outlets cause more damage here than the storms themselves.

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