Scupper rain conductor heads are a component of the drainage system for flat roofs, particularly in larger commercial or residential buildings in Washington DC.  Downspouts,

Why a roof dryer vent may not be the best option – Exploring alternatives & benefits When homeowners are constructing a new house or renovating

There is tons of information on our website about the building science surrounding and related to roofing, waterproofing and exterior building shell and facade protection,

The chimney shown in the picture below is similar to a lot of rooftop chimneys, but the one in the picture below is missing some