Exterior Envelope Detailing: Preventing Weep Holes and Ice Damming

https://zulu-wiki.win/index.php/Leak_Investigations:_Common_Sources_and_How_to_Trace_Them

Understanding how a building breathes matters as much as how it sheds water. When the exterior envelope is mismanaged, moisture can migrate in ways that create costly damage, from damp interiors to concrete spalling and rebar corrosion