Steel Sliding Doors | Lift and Slide | Citadel Window & Door
Steel Doors and Windows Specifications - Archinomy
Door Details | SDI
Verona Home Design Clear Lowe Glass Primed Steel Prehung Front Entry Door | Wayfair
Door Details | SDI
QQ: What is the minimum GWB penetration for a fire-rated frame? - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.