Transcription of BASIC FIRE DOOR REQUIREMENTS TECHNICAL …
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BASIC FIRE DOOR REQUIREMENTS TECHNICAL …
BASIC fire DOOR REQUIREMENTS . TECHNICAL DATA. SHEET NO. 401. fire door openings are classified by their locations in the building. The location determines the length of exposure protection required, based on the potential fire hazard of that particular area. The six opening classifications are shown below along with the six door ratings and the maximum amount of glass in square inches allowed for each door. Label Maximum Classification Location In Building Glass Area 3 3 hour rated opening (Class A). Openings are in walls separating 100 square inches HOUR buildings or dividing a single building into fire areas. doors for these per leaf reference RATING openings require a fire protection rating of 3 hours. NFPA 80. 1-1/2 1 1/2 hour rated opening (Class B).
Revised 9/14 TECHNICAL DATA SHEET NO. 402 Republic Doors and Frames 155 Republic Drive • McKenzie, Tennessee 38201 • (731) 352-3383 TYPES OF FIRE DOOR …
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