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.
To qualify for a Warnock Hersey mark, a fire door must comply with local and national codes, requirements and standards as determined by an Intertek inspection or previous certification. The Warnock Hersey mark demonstrates that a product conforms to these standards and that the manufacturer receive
Warnock Hersey is a mark used in North America to indicate compliance with building codes and safety standards on construction sites. The symbol is commonly found on wood fire-rated doors.
Find replacement parts for wood pellet stoves with the Warnock Hersey Mark on sites such as Stove-Parts-Unlimited.com, WoodmansPartsPlus.com, eBay.com and HearthStove.com. Intertek, an OSHA-recognized testing laboratory that measures the safety of various products, maintains the Warnock Hersey Mark.
Fireplaces that include the Warnock Hersey mark are available at thousands of fireplace retailers throughout the United States, such as Fireplace Center in Hilo, Hawaii; California Stove & Supply in Concord, California; and Alpine Fireplaces in Boise, Idaho. Warnock Hersey is the safety and performa
Warnock Hersey is not the brand name of a wood stove manufacturer, but rather a product safety and performance verification mark which appears on nearly 80% of all wood stove doors in North America. The WH Mark is issued by the third-party certification agency Intertek.
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.
Certified by Warnock Hersey to provide and machine fire doors which meet nationally recognized standards, local building codes with neutral and positive pressure requirements. We undergo periodic follow-up inspections to ensure ongoing compliance of the originally certified product.
NFPA 80, Fire Doors & Windows Manufacturer's Instructions. All assemblies are identified by a label or marking bearing the wording, "Listed (Products)", a time interval, temperature rise (if applicable), a serial number and the WHI Certification Mark. (Unless otherwise specified, all Fire Doors have a nominal thickness of 1-3/4".)
Warnock Hersey Interior Fire Door w/ Glass Window- - Chicken wire glass window - Measures; 27 In. tall x 23 In. wide85 3/8 In. x 36 1/8 In. x 1 3/4 In (216) 551-8175 All prices are in USD