What determines the size of a fireplace flue?
The ideal flue size is typically determined by the exhaust outlet of the stove or appliance. The rule of thumb for sizing a chimney liner is that you never want it to be smaller than the appliance exhaust hole and you don’t want the liner to be three times the area of the exhaust hole of the appliance.
Should flue be wide open?
The damper should always be fully open before lighting a fire and when the fireplace is in use. Close it when it’s not it use. Operating the fireplace with the damper partially closed will not generate more heat. Instead, blocking the passage through the flue will result in smoke entering the home.
How wide is fireplace flue?
Masonry Flues
| Flue Size | Common Venting Uses | |
|---|---|---|
| Outside Diameter (inches) | Inside Area (square inches) | |
| 8 1/2 x 8 1/2 | 41 | Stoves, Central Heaters |
| 8 1/2 X 13 | 70 | Stoves, Fireplaces, Central Heaters |
| 13 X 13 | 99 | Fireplaces |
How do you measure a flue?
1 – Measure Your Chimney Flue
- Measure inside the chimney SIDE TO SIDE & FRONT TO BACK at the narrowest part of the flue (usually about 600mm above the opening).
- FINALLY measure to the narrowest part of the flue from the top of the fireplace opening.
What size fireplace damper do I need?
It should be the full width of the firebox and at least 6 inches above the top of the opening. The damper is usually closer to the front of the fireplace than the back.
Are fireplace inserts standard size?
Fireplace Insert Sizes Fireplace inserts are not one-size-fits-all. They must be the right dimensions for your particular space, so measure the height, width and depth of your fireplace from the back wall to the front opening. Use those specs to ensure a proper fit.
What is the difference between a chimney and a flue?
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. It is usually made of stone or brick. Inside the chimney is a flue. In most cases, a chimney flue is made up of a steel chimney liner or ceramic chimney tiles.
What happens if flue is too big?
When a flue is too big, the chimney can be too cold. Cold chimneys make keeping a fire lit more difficult. They also lead to condensation and possible mold inside the chimney brickwork. They key to making and keeping a great draft in your fireplace is making sure the proper sized flue is installed.
How to determine flue size?
Blue55b. I recently built a wood stove for a friends garage and are having problems with smoke filling up the garage where it is not drawing properly.
What size flue pipe do I Need?
Maximum overall length of straight pipe: 3 m (10 ft.)
Where is a flue located on fireplace?
The brick chimney: The classic brick chimney is suitable for all gas fires and stoves.
What uses less gas a furnace or fireplace?
Understanding British Thermal Unit. Heating power is measured in terms of British Thermal Units,or BTUs.