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HY-C® Creosote Control FireBrick


Made from tightly compressed Douglas Fir and Western Red Cedar, this firebrick is burned like cordwood in a fireplace, wood stove, or fireplace insert. It contains special chemicals that help to slow creosote buildup, reducing the risk of a chimney fire. Made in the USA, they help to keep your wood burning appliance cleaner for longer. 


Product Description

Creosote Control FireBricks contain no waxes or oils, and they’re safe for use in all wood burning appliances. Each pack comes with 4 firebricks. Treatment frequency depends on your appliance and how often you use it, but they’re typically used every 2 to 6 weeks. For fireplaces, burn one firebrick for every 30 fires. For wood stoves and fireplace inserts, burn one firebrick every 6 weeks if you only use your appliance on weekends; burn one firebrick every 4 weeks if you burn 1 fire per day; burn one firebrick every 2 weeks if you use your wood stove or fireplace insert continuously.


Made from Reliable Materials

Firebricks are made from Douglas Fir and Western Red Cedar and contain no waxes or oils.

Safe to Use

Contains special chemicals that comply with California Proposition 65.

Help Prevent Chimney Fires

Slows the buildup of creosote and increases time intervals between chimney cleanings.

Designed for Multiple Appliances

Creosote Control FireBricks are compatible with fireplaces, wood stoves, and fireplace inserts.

  • Product Features
  • Retail Specs
  • Shipping Specs
HY-C® Creosote Control FireBrick
  • Made in the USA
  • Made from Douglas Fir and Western Red Cedar wood
  • Safe for Use in all Wood Burning Appliances
  • Contains no Waxes or Oils
  • Complies with California Proposition 65
  • Helps to Slow the Buildup of Creosote
  • Reduces Risk of Chimney Fires
  • Extends Intervals between Chimney Cleanings
  • Treatment Times Vary by Appliance and Burn Frequency
  • For Fireplaces, Burn 1 Brick for Every 30 Fires
  • Burn 1 Brick Every 6 Weeks for Wood Stoves and Fireplace Inserts Used only on Weekends
  • Burn 1 Brick Every 4 Weeks for Wood Stoves and Fireplace Inserts That Burn 1 Fire per Day
  • Burn 1 Brick Every 2 Weeks for Wood Stoves and Fireplace Inserts Used Continuously
  • 4 Treatment Bricks per Pack
HY-C® Creosote Control FireBrick
Model Number
Retail Width x Depth x Height (in)
Retail Weight (lbs)
7-⅝ x 6-⅜ x 2-⅞
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HY-C® Creosote Control FireBrick
Model Number
Case Pack
Shipping Width x Depth x Height (in)
Shipping Weight (lbs)
18-¼ x 8-½ x 6-½
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A HY-C COMPANY™ Warranty


Our HY-C® brand provides safe, secure, and durable products to Improve Your Life and the Life of Your Home™. Designed and manufactured as long-lasting Home Solutions Built Better™, our warranty applies to products installed properly and used in accordance with the intended use. We reserve the right to refuse warranty coverage based upon field modifications, improper installation, and/or improper use. Our warranty applies to the original purchaser of product and is non-transferable. All warranty claims must include a copy of the original invoice showing the date purchased, seller name, and model number. Warranty coverage commences on the date of purchase. Our liability under this warranty is limited to the replacement cost of the product purchased and does not cover any costs of shipping, labor, or consequential damages related to the performance of the product.


Why Register?

We work hard to help every customer with every warranty need. Registering your HY-C® brand products for warranty helps us to help you better, faster, and more efficiently.

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