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www.reference.com/article/warnock-hersey-552adc011a128fb3

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.

www.reference.com/world-view/can-replacement-warnock-hersey-parts-ce19d6f2090d89bd

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.

www.reference.com/world-view/warnock-hersey-door-company-9a737e3df3e41b0c

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.

www.reference.com/article/fire-door-qualify-warnock-hersey-mark-b8327b4d8d116ab

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

www.reference.com/article/can-warnock-hersey-fireplace-bd9174cdc2d195ad

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

www.reference.com/article/warnock-hersey-wood-stoves-available-purchase-1d5048a967b07f51

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.

assets.doityourself.com/stry/what-is-a-firerated-wall

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

www.instructables.com/id/Measuring-rate-of-fire-with-audacity

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

www.intertek.com/marks/wh

Nearly 80% of North America's wood fire-rated doors bear the WH Mark. Intertek’s Warnock Hersey Mark has long been a marquee mark in building product industry and in 2013, Intertek introduced the next evolution of the Warnock Hersey mark. The new mark combined the storied ETL Mark with the traditional Warnock Hersey (WH) Mark.

www.intertek.com/building/certification-performance/field-labeling

Apply the Warnock Hersey fire-rating label (when appropriate) Fire Door Certification: When having fire doors and frames certified, it is crucial that your certifying body test and evaluate them to the latest applicable standards.