What roofing is best for wildfire areas in San Diego?

A Class A fire-rated roof assembly is the standard to aim for. Tile and metal are non-combustible and naturally earn Class A, while fire-rated asphalt shingles are also available. Just as important are ember-resistant vents, clean valleys, and closed gaps, since embers, not open flame, cause most wildfire home losses.

What does a Class A fire rating mean for a roof?

Class A is the highest fire-resistance rating for roofing, indicating the strongest resistance to fire exposure. It applies to the whole roof assembly, not just the surface, so underlayment and installation are part of achieving it. In San Diego's fire-prone areas, a Class A roof is the recommended standard.

Do roof vents matter for wildfire safety?

Yes. Roof and attic vents are a common way for windblown embers to enter a home, so ember-resistant vents are an important part of a fire-hardened roof. Keeping valleys and gutters clear of dry debris and closing gaps at edges and penetrations further denies embers the fuel and openings they need.

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