To figure out if you’ve got bats or swifts in your chimney, you’ll need to see what time of day the animal is active. Chimney swifts will fly into your chimney at night whereas bats will fly out of it.Do you have winged animals returning to your chimney as the sun sets? Barnett says he wanted the ending to this book to capture how magical Santa really is. “I think we don’t want to know how he does it,” he says. “The mystery, the wonder, the impossibility is the point. It’s beautiful to kind of face the impossible that way.” Next thing you will have to consider is the price of the chimney. The price varies according to the chimney brand, the size, the different technologies used in the device, and so on. The second thing you need to take care of is the filter type of the chimney.

If an unwanted draft or an unpleasant smell occurs when your fireplace is not in use, consider a chimney pillow. These pillows look like plastic balloons, come in a variety of sizes, are easy to set up and work extremely well. The foundation is the lowest part of the chimney walls, made of heavy duty brick or cinder block. This is the structural support for the entire chimney and is exposed to hot ash.

What’s the Difference Between a Chimney Inspection and Chimney Cleaning?

” Call reputable chimney sweeps, and they can tell you whether you have a chimney liner, what type it is, and whether it is in good condition. If necessary, a special camera can be used to get a close-up view of the chimney liner, from top to bottom. We put up chimney liners made of polypropylene (PVC), stainless steel, and aluminum. Flue liners serve as a barrier against the heat transmission from your fireplace as well as a means of containing and removing the flue gases produced by your heating system.

Anatomy of Your Chimney

If you have a throat damper, the closed damper immediately above your head will block your vision. A visual check is one of the surest ways of checking whether the damper is open or not. There is a spring that keeps the top-mount damper open, and the controlling cable or handle is usually attached to the fireplace wall. The open position is the default, and you will have to pull on a chain or cable and work against the spring to close the damper.

It is easy to imagine cutting a hole in your roof and stacking some brick to make a chimney, but that’s not all that goes into the system. In fact, there are many working components, all with different price points, affecting your total cost. A roofing contractor determines the height of your chimney based on the size of your home. Normally, local building codes require chimneys to extend at least 3 feet above your roof.

Somewhere in your house, amid all this airflow, is something called the Neutral Pressure Plane (NPP). Above this theoretical plane, the air pressure is slightly positive compared to the outdoor air pressure and is trying to force its way out of the house. Below the plane, it is slightly negative and the house is trying to draw air in. The location of the NPP can constantly change in response to changing conditions.

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