See why Huntington Beach flat roofs need careful waterproofing

https://troyopox128.tearosediner.net/signs-your-huntington-beach-roof-has-marine-layer-dry-rot-3

See why Huntington Beach flat roofs need careful waterproofing and why reroofed low-slope roofs may also need Title 24 cool-roof products, depending on California climate-zone requirements.