Local Knowledge We Know San Rafael RoofsSan Rafael wraps around steep wildland hills, from China Camp and San Pedro Ridge to the open space above Terra Linda and Sun Valley. The City has adopted an ordinance designating its Very High Fire Hazard Severity Zones as the local Wildland-Urban Interface (WUI), and it enforces vegetation management standards citywide. In those zones, Chapter 7A building standards apply, which is why a Class A fire-rated roof here is not just smart, it is code. Marin's bay-influenced climate is its own challenge. San Rafael runs humid much of the year under the marine layer, and winter storms drop the bulk of its roughly 30 inches of annual rain between November and March. That constant moisture cycle, paired with a large stock of mid-century homes, is hard on aging shingles, flashing, and underlayment. We install GAF systems and standing seam metal roofs built for Marin's mix of WUI fire exposure, marine moisture, and concentrated winter rainfall, and we detail flashing and gutters for the low-slope sections common on San Rafael's flatter lots. | San Rafael Climate ChallengesWUI Fire Zones Hillside parcels fall in the City's designated WUI and require Class A roofing | Marine Layer Moisture Year-round bay humidity stresses shingles, flashing, and underlayment | 30"+ Winter Rainfall Storms concentrate November to March and demand tight flashing | Aging Housing Stock Mid-century roofs across Terra Linda and beyond are near end of life |
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