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.
A fire-rated wall is a feature of a building’s passive fire protection system that has been checked and certified by the proper regulatory agency. There are two basic types of fire-rated walls: true firewalls and fire barrier walls. The first is a structurally stable wall that also is certified to p
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Measuring Rate of Fire With Audacity: Ever wondered what the rate of fire (herafter ROF) of your airsoft/paintball gun is? This is a guide to the simple process of using the audio program Audacity to measure your rate of fire. What you need: Gun Microphone for recording ( I use a simpl… 5,554 4 8 E