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Firelogs & Fireplaces


Fire Logs & Fireplaces


Click on the question below to learn the answer.
 

Can duraflame® fire logs be burned in all types of fireplaces?
 

Duraflame fire logs are Underwriter Laboratories (UL) Classified for use in zero-clearance manufactured metal fireplaces and are suitable for use in all types of traditional open hearth fireplaces.  Duraflame fire logs should not be burned in wood stoves or wood stove fireplace inserts.  Check for the UL-Classification mark on the package before buying.  For more information about the wide range of fireplaces available today, visit the HearthNet web site.
 

Why do some manufactured fireplaces say it is not safe to burn manufactured fire logs?
 

When manufactured fireplaces were first introduced to the market, the UL-Certification Tests for those appliances did not address the use of fire logs in these fireplaces.  Consequently, the earlier manufactured fireplaces were sold with stickers recommending only natural firewood be used.  Now that most brands of fire logs have been UL-Classified for safe use in zero-clearance fireplaces, most fireplace manufacturers have begun to change their product labels and warranty information allowing the use of UL- Classified solid fuels, such as duraflame fire logs.
 

Should glass doors on the fireplace be left open or closed while burning duraflame fire logs?
 

Fire logs require combustion air to burn properly.  Always leave fireplace glass doors open while a fire log is burning unless the fireplace manufacturer's instructions indicate otherwise.  Glass doors can be closed after the fire log is no longer burning to keep warm air in the house.  However, the fireplace damper should be left open until the ashes remaining from the fire are cool.
 

Is it necessary to use a fireplace screen when burning duraflame fire logs?
 

A wire, mesh fireplace screen is an important safety precaution that should always be used whether you are burning a duraflame fire log or firewood.
 

Can you add wood to a duraflame fire log?
 

We don't recommend adding wood to a duraflame fire.  When you add other materials to the fire log, it can change the characteristics of the burn.  For example, duraflame fire logs are designed to burn one at a time with a controlled burn rate that burns the external surface area of the log slowly exposing more internal fuel as the log burns.  Adding wood to a burning fire log can cause the log to break apart resulting in a sudden increased burn rate or flare up.  If a flare-up like this occurs, flames can consume your fireplace creating more heat and smoke than your chimney is designed to exhaust; resulting in unwanted smoke potentially pouring out the front of your fireplace.  Fire logs also contain twice the BTU energy content per pound of firewood, so burning fire logs with wood could create excessive heat that exceed the specifications of your fireplace.  Because of this and similar potential safety hazards, we recommend against adding other materials to a duraflame fire log.
 

Can I burn more than one duraflame fire log at a time?
 

Duraflame fire logs are designed to eliminate the need for adding more fuel and tending a fire.  The wax component of the product produces twice the BTU per pound of wood, allowing one duraflame fire log to provide a fire equivalent to several pieces of wood.  Burning more than one log at a time could result in too large or too hot a fire for your fireplace.  If you prefer to burn multiple logs in your fireplace, try new duraflame stax®.  Stax logs are designed specifically to burn more like firewood.  Stax logs may be burned indoors in fireplaces and wood stoves as well as in outdoor fire pits or fireplaces.
 

Do duraflame fire logs cause excessive creosote buildup?
 

No, burning duraflame fire logs do not produce creosote.  Creosote forms when moist smoke from a wood fire cools and condenses on the chimney walls.  Burning unseasoned wood with high moisture content contributes to greater creosote accumulation in the chimney.  Creosote accumulates inside your chimney each time you burn a wood fire and over time thick hardened tar like deposits can build up on the walls of the chimney.  If this material is not regularly removed from the chimney burning a hot fire in the fireplace could ignite it and cause a chimney fire.
 

Since duraflame fire logs are made with dry wood sawdust only a fine soot like material is left in the chimney.  In fact, tests show that duraflame fire logs leave 66% less accumulation of soot material per hour of fire than the amount of creosote produced from burning natural firewood.  Nevertheless, we recommend you have a certified chimney sweep inspect your chimney on an annual basis and clean it if necessary, no matter what you burn.
 

Do duraflame fire logs leave a wax residue?
 

Manufactured fire logs will leave a fine, graphite-like carbon soot in the flue after extensive use.  This material is different from creosote deposits.  There's far less soot produced from burning fire logs than the creosote produced from burning wood.  Independent tests show that duraflame fire logs do not produce the hardened flammable tar deposits known as creosote, commonly produced from burning high moisture content wood fires.  And the soot left in the chimney after burning fire logs has almost no BTU value so it can't be reignited to cause a chimney fire.  No matter what you burn, we recommend you have your fireplace inspected and cleaned annually by a chimney maintenance professional certified by the Chimney Safety Institute of America (CSIA).
 

What makes the crackling sound when Crackleflame® fire logs burn?
 

Crackleflame fire logs contain a patented, safe, all natural additive that provide the natural crackling sound of a wood fire as it burns.