What is the 3 to 10 rule for chimneys?
This rule means that your chimney's shortest side needs to be at least 3 feet above the roof penetration, and its top has to be 2 feet higher than any part of the building that's within 10 feet. There a number of reasons behind this rule.
Can you have 2 fireplaces one chimney?
Fireplaces on multiple levels can also share one chimney structure. Since the fireplaces are on different stories of the home, the chimney extends from the lowest floor through the roof. Each fireplace can face the same direction, if you want, since they will not block each other.
Why do I have 2 chimneys?
In older houses located in colder climates, it was fairly common to have one chimney with two or more separate flues. This would allow a homeowner to vent, say, an oil-burning appliance as well as one, two, or even three wood-burning stoves/fireplaces.
Can a fireplace share a chimney flue?
Fireplaces can't share the same flue but can be run in the same chimney with their own flue liners.
How many fireplaces can share a chimney?
You can have two fireplaces on one chimney. For instance, fireplaces on multiple levels in your house can share one chimney structure. The chimney needs to extend from the lowest floor up to the roof because the fireplaces are on different levels of the home.
Can a house have two fireplaces?
You can have multiple fireplaces in multiple rooms, or you can have one fireplace in multiple rooms. A trendy feature of fireplaces includes putting it in a wall between two rooms so you can see the fire from both sides. There are even some fireplaces that conjoin three rooms.
Are chimneys shared?
And the answer is simple: if the chimney is on the party wall, then the party wall act applies. This is usually the case, because at least one side of the flue is usually on the party wall, and, in some cases, the chimney itself can overlap and become shared in the loft spaces of the two properties.
Why does smoke come down my other chimney?
Smoke crossover is when one chimney is breathing out smoke from the fire, and the other chimney is breathing in outside air to equalize the pressure in the home. The inhaling chimney flue is also sucking back in smoke from the other nearby chimney.
What is the difference between flue and chimney?
Usually, flue pipes or tubes run vertically through a home to the outside. In some cases, flue pipes or tubes can run horizontally through a house to the outdoors. A chimney is a passage way for combustion byproducts to travel up that runs from a fireplace or stove up to the top of a house.
What is a shared flue system?
These systems have separate air inlet and flue ducts, which can be shared by multiple appliances.
Can 2 wood stoves share a chimney?
Excerpts: NFPA 211 (Section 9.8) prohibits the interconnection of solid fuel-burning appliances into any chimney serving another appliance. Meaning: Each chimney flue may only service one solid fuel-burning appliance.
How do stacked chimneys work?
The stack effect essentially works the same as a hot air balloon does. Hot air rises, so when air is heated by the combustion of the fireplace, the smoke and gasses will naturally rise up and be replaced by cooler air to keep the cycle going.
Can 2 wood stoves share a chimney?
Excerpts: NFPA 211 (Section 9.8) prohibits the interconnection of solid fuel-burning appliances into any chimney serving another appliance. Meaning: Each chimney flue may only service one solid fuel-burning appliance.
Does each fireplace have its own chimney?
Each fireplace will have its own flue within the chimney structure. Although the fireplace may seem to be directly in line with the flue, the lower floor flues will bend to avoid the fireplaces on the floor above and will run side by side.
How do double fireplaces work?
Even Distribution of Heat – Double-sided fireplaces are usually located between two full-sized areas. By doing so, the heat is evenly distributed compared to a traditional hearth placed against one wall. With conventional fires, the heat can cluster up in one area rather than scatter throughout the entire space.
How many wood burning fireplaces can share a single flue as long as they are on the same floor level?
Two wood burning fireplaces can share a single flue as long as they are on the same floor level.