Get matched with top fireplace pros in Corydon, IA

Chimney liners often benefit from insulation, though it is not always required. Insulation helps improve the liner's efficiency by keeping flue gasses hotter, which enhances draft and reduces creosote buildup. It also prevents condensation, which can lead to corrosion. Insulation is important for chimneys on exterior walls or in colder climates. Some building codes may require insulation, so checking local regulations is essential.

Because of the potential danger associated with incorrectly capping the gas line that serves the gas fireplace, many people will choose to hire a professional to do the work. Some homeowners may choose to hire a pro to only handle the gas line for them. They then may attempt to remove the actual insert on their own, which is a challenging—but not impossible—DIY project.

The primary disadvantage of a ventless fireplace is that it doesn’t have an exterior venting system. This means that the byproducts from combustion are emitted into your home, which raises some safety concerns. In addition, ventless gas fireplaces produce moisture as they burn—and if there’s no ventilation, you could end up with a mold problem.

The short answer is yes, as hearths need to extend a certain distance out from the fire. This is usually around at least a foot in front but is often more, closer to two feet even. There is another distance to consider, which is the distance beyond the opening of the fireplace. Each municipality will have different code requirements.