El Cajon Roofing & Commercial Roof Repair

Licensed, insured and working in El Cajon

A maintenance record on an El Cajon roof also helps at claim time, because it shows the failure was sudden rather than neglected. Attic ventilation on an El Cajon property is not optional — trapped heat cooks the covering from underneath. That is as true in El Cajon as anywhere in San Diego County. Original decking on older El Cajon homes is often skip sheathing, which changes what can be laid over it. As a rule, converted garages in El Cajon are a common source of leaks because the roof covering was never upgraded with the conversion.

On most jobs, roofs in El Cajon bake. Asphalt loses its oils, membranes lose their plasticisers, and sealant shrinks back from every flashing. That is as true in El Cajon as anywhere in San Diego County. Drainage is the cheapest maintenance on any El Cajon building — blocked outlets cause more damage here than the storms themselves. Second-storey additions in El Cajon create a junction between old and new roof that requires proper flashing rather than sealant. An El Cajon property often carries more than one roof type — a pitched main house in one material and a flatter garage or addition in another. This holds across San Diego County.

Realistically, annual inspection on an El Cajon property typically adds two to three years to the back end of a roof's service life. Housing stock in El Cajon runs across several eras, and each one brings its own roof. What sits above the ceiling usually tells you when the building went up. Streets in El Cajon that were built out together tend to need roofs together, which is why one re-roof commonly brings three more on the same block. Thermal cycling does the damage in El Cajon — hot afternoons, cool nights, and materials expanding and contracting against their fixings all year. We see it on El Cajon roofs every week.

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