Hot mop roofs in San Diego are part of low-slope roofing work, where code places strong emphasis on positive drainage

https://andreskqgd533.slatecurrent.com/posts/tile-roofs-in-san-diego-why-the-underlayment-matters

Hot mop roofs in San Diego are part of low-slope roofing work, where code places strong emphasis on positive drainage, roof drains at low points, or edge drainage when allowed.