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Intertek's Warnock Hersey Mark is a mark certifying product safety and performance used in North America, including on wood fire-rated doors. Intertek is a company that ensures products meet safety, health, environmental and quality standards for almost any product.


DKS Customers Interested Parties State and Local Authorities Subject: DKS Steel Door and Frames Systems, Inc., ITS / Warnock Hersey Procedural Specification, Certification, and Inspection. All DKS products are built to specification under Intertek / Warnock Hersey


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.


DKS Doors manufactures hollow metal doors, steel doors and door frame systems. Our steel doors are used for commercial, institutional, education, hospitality, multi family, security and health care construction - both new and retrofit.


With research, mid, and full scale furnaces in each of our fire door testing labs, we can handle virtually any size door or frame in all regions of North America. Warnock Hersey Mark Display your commitment to product safety, performance, and quality through participation in Intertek’s Building Products Certification Program.


Product Directories | Warnock Hersey Mark Click here to view our products that bear the Warnock Hersey Mark. Directory of Listed Products Appliances - Commercial/Consumer Building Materials ... Vertical Rolling, Steel Fire Door and Guide Assembly for installation in concrete,


Doors are factory labeled with a Warnock Hersey 1-1⁄2 Hour (90 min) Mylar label, 3 Hour Label Available; Door construction meets the requirements of ANSI A250.8-2003 (SDI 100) ... The CE Series doors have a steel laminate core and continuous bonding to ensure strength, structural integrity and aesthetic appeal. ...


Warnock Hersey Fire Doors. Following that, in addition, there are that the warnock hersey doors parts to look at. It's been said before that this idea meets any style and design even the modern ones. Besides, it includes the glass in the middle together with the wooden or aluminum edges. The glass app is to let the ...


Metal fire doors are an economical alternative to wood fire doors, when more than a 20 minute rating is required. Steel is the sole door material to deliver a 3 hour fire-rating. Trudoor is an authorized WHI fire-labeled shop (Warnock Hersey / Intertek


because they know we sell the same parts that we use in the doors and frames that we sell.” “We used our own parts on doors and frames in the Warnock-Hersey-certified 10 Million Door Slam test of our standard products. This test exceeded the ANSI standard by a factor of 20. All our parts are made of 100% American steel,” Briggs concluded.