IRC R310 Egress Window Sill Height in Maryland: Key Code Basics
What The Egress Sill Height Rule Actually Means When a basement bedroom, finished lower level, or converted bonus room needs a legal emergency exit, sill height becomes one of the first measurements that matters. IRC R310 does not just care about window size, it also cares about how high the openable portion sits above the finished floor. In practical terms, a sill that sits too high can turn an otherwise large window into a noncompliant opening. When inspectors revie