IRC R310 Egress Window Size for Basements in Germantown, MD
What IRC R310 Is Trying To Solve In Basement Design In a finished basement, the window opening is often one of the most important details in the room, especially if the space will be used as a bedroom or other habitable area. IRC R310 is the rule set that tells you how large the clear opening must be, how low the sill can sit, and what conditions make the opening usable in a real emergency. A window can look large from inside the room and still fail the code if the