Selection and Usage Guides

The following charts show the recommended Republic doors and frames for a variety of entry locations and wall constructions.

  • SDI Level 1: 20 gage door construction
  • SDI Level 2: 18 gage door construction
  • SDI Level 3: 16 gage door construction
  • SDI Level 4: 14 gage door construction
Note: These are only guides. Please consult ANSI A250.8(SDI-100) and applicable building codes for additional requirements. See SDI Fact File

Recommended Usage Guides for Standard Steel Doors

Apartment Buildings
Apartment Buildings
Usage SDI
Level 1
SDI
Level 2
SDI
Level 3
SDI
Level 4
Flush Door
Flush
Half Glass Door
Half Glass
Vision Lite Door
Vision Lite
Full Glass Door
Full Glass
Narrow Lite Door
Narrow Lite
Louvered Door
Louvered
Main Entrance   check check   check check   check check  
Unit Entrance check check check   check          
Stairwell   check check       check   check  
Bathroom check       check         check
Bedroom check       check          
Closet check       check         check
Dormitories
Dormitories
Usage SDI Level 1 SDI Level 2 SDI Level 3 SDI Level 4 Flush Door
Flush
Half Glass Door
Half Glass
Vision Lite Door
Vision Lite
Full Glass Door
Full Glass
Narrow Lite Door
Narrow Lite
Louvered Door
Louvered
Main Entrance   check check check   check   check check  
Unit Entrance check check     check          
Stairwell   check check       check   check  
Bathroom check check     check         check
Bedroom check check     check          
Closet check check     check         check
Hotel and Motel
Hotel and Motel
Usage SDI
Level 1
SDI
Level 2
SDI
Level 3
SDI
Level 4
Flush Door
Flush
Half Glass Door
Half Glass
Vision Lite Door
Vision Lite
Full Glass Door
Full Glass
Narrow Lite Door
Narrow Lite
Louvered Door
Louvered
Unit Entrance check check     check          
Bathroom check       check          
Closet check       check         check
Stairwell   check check       check   check  
Storage and Utility   check check   check         check
Hospital and Nursing Home
Hospital and Nursing Home
Usage SDI
Level 1
SDI
Level 2
SDI
Level 3
SDI
Level 4
Flush Door
Flush
Half Glass Door
Half Glass
Vision Lite Door
Vision Lite
Full Glass Door
Full Glass
Narrow Lite Door
Narrow Lite
Louvered Door
Louvered
Main Entrance     check     check   check check  
Patient Room   check     check          
Stairwell   check check       check   check  
Operating and Examination   check check   check          
Bathroom   check check   check         check
Closet check check     check         check
Recreation   check     check   check      
Kitchen   check check       check      
Industrial
Industrial
Usage SDI
Level 1
SDI
Level 2
SDI
Level 3
SDI
Level 4
Flush Door
Flush
Half Glass Door
Half Glass
Vision Lite Door
Vision Lite
Full Glass Door
Full Glass
Narrow Lite Door
Narrow Lite
Louvered Door
Louvered
Entrance and Exit     check check   check   check check  
Office check check     check check        
Production     check     check        
Toilet   check check   check         check
Tool     check check check          
Trucking     check check   check        
Monorail     check check check check        
Office
Office
Usage SDI
Level 1
SDI
Level 2
SDI
Level 3
SDI
Level 4
Flush Door
Flush
Half Glass Door
Half Glass
Vision Lite Door
Vision Lite
Full Glass Door
Full Glass
Narrow Lite Door
Narrow Lite
Louvered Door
Louvered
Entrance     check     check   check check  
Individual Office check       check check        
Closet check       check         check
Toilet   check check   check          
Stairwell   check check       check   check  
Equipment   check check   check          
Boiler   check check   check         check
School
School
Usage SDI
Level 1
SDI
Level 2
SDI
Level 3
SDI
Level 4
Flush Door
Flush
Half Glass Door
Half Glass
Vision Lite Door
Vision Lite
Full Glass Door
Full Glass
Narrow Lite Door
Narrow Lite
Louvered Door
Louvered
Entrance and Exit     check check   check   check check  
Classroom   check       check     check  
Toilet   check check   check         check
Gymnasium     check check check check check      
Cafeteria   check check     check        
Stairwell   check check       check   check  
Closet check check check check check         check

Recommended Selection and Usage Guide for Standard Steel Doors. SDI-108-10

SDI-108-10 SDI Fact File

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