Roofing Q&A

Seattle, Washington, USA

Climate: marine-wet · Coast: Yes · Wind design (ASD gust): 110 mph · Ground snow: 10 psf

Recommended systems

  • Standing seam metal (marine-rated fasteners)
  • Concrete/clay tile (salt resistant)
  • Robust ventilation strategy
  • Enhanced flashing details

Permit & code

Code office: official site

Moisture management; ventilation priority

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