- This is because the construction and materials of the firebox on a Zero-Clearance Fireplace are made of materials that do not allow the outside of the fireplace to get hot enough to burn other materials.
- Zero-Clearance Fireplaces do not require a hearth in order to function properly.
Thus, Can you put a gas insert in a zero clearance fireplace? Fuel Options Zero-clearance fireplaces can be fueled by firewood, natural gas, propane, or pellets.
Additionally How do you install a zero clearance fireplace? 
How much clearance does a fireplace need? All combustible materials must be 6″+ from the opening of the firebox. The National Fire Code requires all combustible material to be at least 6 inches from the opening of the firebox. For every 1/8 inch of protruding combustible material, you must account for an additional inch of clearance.
Do you have to have tile in front of a fireplace? An apron of marble or granite tile directly in front of your fireplace is common, but not necessary.
How do you vent a zero clearance fireplace?
Zero-clearance gas fireplaces do not need a chimney for venting and can be vented through the roof or through an exterior wall.
What does a zero clearance insert do?
Zero-clearance inserts improve cut quality and make your saw safer to use. Zero-clearance slots are no wider than the blade, so off- cuts can’t get stuck and tear-out is dramatically reduced. Another benefit:You can use the saw kerf to line up your cuts.
Can a fireplace be both gas and wood?
Definitely not. Wood-burning units are meant to hold wood, while gas-fueled units are meant to host gas. Mixing fuel types could lead to fire hazards, smoke back-up, and a lot of damage to your home/unit.
Do you need a chimney for a zero clearance fireplace?
Zero clearance fireplaces do require a chimney for venting, but installation may be easier than you think. Usually, a few sections of stainless steel chimney pipe are run out of the top of the fireplace and up through the roof.
Is a gas fireplace considered zero clearance?
What Is a Zero Clearance Gas Fireplace? Most contemporary fireplaces need a buffer zone or a clearance area—they must not sit in or around any combustible materials or they may give off enough heat to spark a fire. Zero-clearance fireplaces are an exception.
Can you put an insert in a zero clearance fireplace?
A wood insert can be installed in either a traditional masonry unit or a zero-clearance unit to help increase heat output and your heat efficiency.
How much clearance do you need around a gas fireplace?
The standard building code is 6 inches of minimum clearance around the opening of the fireplace and it must be surrounded by a noncombustible material. However, if the mantel projects more than 1 1/2 inches from the face of the fireplace, the top noncombustible clearance must be at least 12 inches.