Tornados form quickly giving people little time to prepare. Tornado prepared rooms and buildings can provide shelter. Republic's FEMA (Tornado) doors and frames are an important part of the areas of refuge equation.
SDI Level 4
Meets or Exceeds FEMA 320 and 361
Meets or Exceeds ICC 500
Passes 300 mph wind speed tests
Passes Projectile test (15 lb. 2x4 traveling at 100 mph)
Multiple hardware options (see below)
Community Shelters, School Corridors, Home Shelters, Safe Rooms, and other protection areas
Actual Door Size: Door undersized from nominal by 1/4 inch width and 7/8 inch height. Uncut depends upon hardware.
Hinge Rail and Reinforcement: Hinge edge is non-beveled and is reinforced with a continuous 10 gage steel channel projection welded at a maximum 5 inches on center.
Lock Rail: Lock edge is beveled or non-beveled and reinforced with a continuous 14 gage steel channel projection welded at a maximum 5 inches on center. (Beveled lock edge 1/8 inch in 2 inches optional)
Top Channel: Top channel is a 14 gage channel, projection welded at a maximum 2 1/2 inches center.
Bottom Channel: Bottom Channel is 16 gage steel channel, projection welded at a maximum 2 1/2 inches on center
Cores Available: Steel Stiffened Core
Stiffener Gage and Size: 20 gage standard - 4 inches wide
Stiffener Spacing: Maximum 6 inches apart (varies according to door width)
Stiffener Welding: 5 inches maximum on centers (vertically)
Face Skins: 14 gage cold rolled or galvannealed steel
Closer Reinforcement: 14 gage standard / 12 gage optional (18 inches x 6 inches)
Size Availabilty: Singles - Maximum 4 feet x 8 feet (4'0" x 8'0"), Pairs - Maximum 8 feet x 8 feet (8'0" x 8'0")
SDI 100 Level / Model: Level 4 and Model 2 (Maximum Duty Performance Level A) (Standard)
Fire Label Range: Maximum 3 hour
Edge Seam Construction: Seamless edge - Intermittently welded standard or continuously welded option
Universal Standard / Heavy Weight Hinge: Hinge fillers are used, allowing for an easy modification from standard weight to heavy weight hinge preparation.
Handing Design: Non-Handed standard on doors (optional handed). Frames are handed.
Prepared Opening (POA), Punch and Dimple Only, Masonry T or Wire
Universal Rough Opening Calculator
Instructions: Use decimal inches, face dimensions, and nominal opening size for butted application