SDI Members ↦
Product Gallery ↦
Specialty Doors ↦
Specifications ↦
Distributor Resources ↦
SDI Certified ↦
About SDI ↦
Technical Assistance ↦

SDI Videos

Visit our Installation page for printable installation and troubleshooting guides, and Spanish versions of these videos.

Information for Architects

Reducing the Risk of Forced Entry

Knockdown vs Welded Frames

Fire Rated Doors and Frames
Meet the Steel Door Institute
The Best Steel Doors
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
SDI Certified
Forced Entry Doors Test

Installation and 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