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The Warnock Hersey Mark can be found on more than 6,500 products ranging from fire doors, hardware, hearth, plumbing, and construction products. Utilizing the Warnock Hersey Mark on a product reflects a commitment to product safety, performance, and quality to inspectors, builders and end users.


Apply the Warnock Hersey fire-rating label (when appropriate) Intertek’s Warnock Hersey Mark has long been one of the industry’s most recognizable marks and is found on a variety of products including fire doors. This mark is widely recognized throughout the industry, appearing on fire doors found in North America and beyond.


Warnock Hersey fire door certification labels are the most widely recognized in the industry, appearing on 70% of all fire doors found within North America Intertek is recognized by all the major code bodies throughout the world; as a Nationally Recognized Testing Laboratory (NRTL) by OSHA; recognized by Standards Council of Canada (SCC); and ...


12. “Fire Door To Be Equipped With Fire Exit Hardware” (Not Shown) • May be on supplemental label 13. Temperature transmission rate at 30 minutes for Fire Doors exceeding 20 Minute Fire Rating (Not Shown) • If temperature exceeds 650°F (361°C), temperature rise can be omitted THE LABEL WARNOCK HERSEY FIRE DOOR LABEL REQUIRMENTS


Below are some helpful tips for finding the fire label. Start by looking on the hinge side of the door. See the pictures below for various UL and Warnock Hersey (WH) labels that you may see. The critical component to look for is the circled “UL” or “WH.” On wood doors, the fire label can be on the hinge side or top of the door.


20 minute warnock hersey black/silver label (6) shipper call out 20 minute whi specifics label each door of pairs single doors and pairs with composite meeting stiles. no metal edges on meeting stiles 60 minute warnock hersey blue label (8) shipper call out 60 minute whi specifics label each door of pairs 60 minute rated mineral core, composite ...


CURRIES fire doors and frames are available with either Underwriters Laboratories, Inc., or Warnock Hersey International Labels. Fire Labeled Frames Available: Single Swing - 3 Hour Rated; Double Swing - 3 Hour Rated; ... Any retrofit or other field modification to a fire rated opening can potentially impact the fire rating of the opening, and ...


The fire door label is completely painted over and illegible. If you have a history of managing a facility with fire doors you know the importance of a door certification label. ... The Warnock Hersey (WH) Mark. According to Intertek, if your fire door has the WH mark this “indicates compliance with relevant building codes, association ...


Fire label ~ Underwriter Laboratories(Applied or Embossed) ~ Warnock Hersey(Applied or Embossed) ~ Factory Mutual(Applied only) Sizes Available: Double Rabbet ~ 4-3/4" depth / 3-1/2" throat ~ 5-3/4" depth / 4-5/8" throat ~ 5-3/4" depth / 4-7/8" throat; DU indicates a slip-on drywall frame with 'unequal' frame rabbets


Product Overview Fire-Rated Steel Doors for Commercial & Industrial Applications. Trudoor is an authorized WHI fire-labeled shop (Warnock Hersey / Intertek), enabling us to modify, re-certify and label fire-rated doors and frames. And we are certified by UL to cut, re-certify and label fire-rated glazing materials. Our facility undergoes routine inspections to verify that modifications are ...