Videos Visit our Installation page for printable installation and troubleshooting guides, and Spanish versions of these videos. Video Shorts Blast Resistant Steel Door Test Fire Door Inspection Test Fire- Rated Steel Doors Forced Entry Steel Doors Tornado Rated Steel Doors SDI Certified Acoustic Steel Doors Specialty Steel Doors Bullet Resistant Steel Doors Hurricane Rated Steel Doors The Best Steel Doors Information for Architects Thermal Performance Steel Doors Specialty Steel Door Combinations Specifying Hurricane Rated Steel Doors Specifying Bullet Resistant Steel Doors How Specifiers Use the Steel Door Institute Sound Resistant Acoustic Doors Reducing the Risk of Forced Entry Knockdown vs Welded Frames Fire Rated Doors and Frames Steel Doors vs. Wood, Aluminum, and FRP Doors Tornado Resistant Doors for Shelters/Safe Rooms Steel Doors for Schools: Fire Rated, Dent Resistant Blast Resistant Doors - Pass and Fail Tests How Fire Rated Doors are Made and Tested Forced Entry Doors Test Installation & Inspection Damaged Steel Doors: Repair or Replace? Common Misconceptions About Fire Door Assemblies How To Specify Frames to be Water Resistant How to Install Frames in Steel Stud Construction How to Install Frames in Masonry Construction How to Install a Steel Door How to Install Slip-On Drywall Frames How to Install Punch & Dimple Frames Fire Door Inspection Checklist Preparation The 3 Ways to Weld Steel Door Frames How to Measure for Replacement Steel Doors Jobsite Storage of Steel Doors & How to Apply Topcoat Troubleshooting Fixing Uneven Gaps Between a Door and Frame Fixing Doors that Won't Close due to Hinge Bind Fixing Frames that are Twisted or Out of Square About SDI Meet the Steel Door Institute The Best Steel Doors SDI Certified