A flat roof in San Francisco authorized for an occupiable inexperienced roof, that is a strong distinction to its much more typically-shaped neighbors which have gabled roofs and dormers. Run a row of starter shingles with the major edge a 1/two inch past the drip edge. A starter shingle is https://topthenews.com/the-3-best-commercial-roofers-in-naperville-il-top-choices-for-quality-and-reliability/