Table of Contents
What is a flue stretcher?
By increasing the effective height of the flue the flue stretcher cap solves two problems. Negative house pressure can pull the smoke from one flue down another flue right beside it. Adding the flue stretcher to the upstairs flue distances its smoke from the downward pull of the downstairs flue.
What is the purpose of a chimney shroud?
Keep Rainwater Out. One very important reason to have a fireplace shroud is to prevent rainwater from getting inside the chimney liner. As one of the worst enemies to enter a home, any water that enters your chimney poses a danger. A fireplace shroud stops this from happening by directing from the center.
Can you make a chimney taller?
Often the repair for a too-short chimney or flue, whether masonry or metal, is simply to extend the chimney to the proper height above the building rooftop.
How much does it cost to extend a chimney?
A chimney extension costs $1,000 to $3,000 on average, depending on the required material and height. Extending a chimney adds a few feet of height to the stack to get proper ventilation, meet building codes, or prevent embers from escaping.
How do I stop water going down my chimney?
Relining your chimney is one of the best ways to prevent rain from entering your chimney if you consistently notice water dripping into your fireplace every time it rains.
What happens if your flue is too short?
The column of rising hot gases inside your chimney will not be able to develop a safe and adequate draft. A chimney that is too short cannot vent correctly and can become a serious fire hazard to your home.
How far should chimney extend?
The chimney should extend at least 3 feet from its opening, and be 2 feet higher than anything 10 feet around it.
Does cold air come down the chimney?
When a fireplace isn’t in use, cold air from outside can come down the chimney into the home, and warm interior air can escape up through the flue.
Why doesn’t rain come down a chimney?
How Do Chimneys Keep Rain Out? The most important part of a chimney that keeps rain out is the chimney cap. Chimney caps are a cover for the top of the chimney that usually has a slight slant. This slant allows rain to slide away from the chimney.