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fireplace warmth, fireplace chimney, fireplace maintenance, open fireplace, wood burning firepalceIf you have a real wood burning fireplace, you will also have a fireplace chimney as well.  Since you have a chimney, you need to worry about its regular safety inspections and cleaning and usual maintenance.  If you want an open fireplace and need to build a new fireplace chimney then you have a lot of work ahead.

For fireplace inserts, you use a masonry chimney with a stainless steel chimney liner. The basic principle here is to direct combustion gases upward and away from the interior of the home. The chimney should extend at least 3 feet above any construction in the building and any obstruction with in 10′, it needs to extend 2 feet higher. Of course, a higher chimney is always better.

When constructing a fireplace chimney, it is important to create the best outward draft possible.  The tallest, straightest chimney is best.

Fireplace Chimney Maintenance tips:

Stove installation should be checked and cleaned at least once a year.  Stove pipes are subject to high temperature so it should be checked periodically for corrosion.  This is especially important if you use single wall black stove pipe.  Replace it immediately if corrosion level exceeds the safe zone.

Keep the damper closed when the fireplace chimney is not used to prevent the warm air from escaping. DO NOT forget to open the damper before lighting a fire. Installing a stainless steel chimney cap will extend the life of your chimney. It also prevents birds, insects, and animals to nest in your chimney. A good idea is also to apply a water repellant to the chimney.  It will help prevent masonry damage and corrosion.

The quality of wood being burned will contribute to how much creosote build there will be inside of the fireplace chimney. Wet and unseasoned wood causes incomplete combustion, and cool flue wall linings can contribute to creosote build up. Creosote deposits on the interior walls of the chimney can increases the chance of a chimney fire. Creosote deposits can also ignite under certain circumstances. Make sure that the chimney liner is clean.








    *Note: If you have a terra cotta clay chimney
    flue lining, be sure to measure the true length and width of the
    inside of your chimney flue space.

    *If there is a terra cotta clay flue liner, does it protrude out of
    the top of the chimney at least 2 inches? If there are at least 2
    inches and the terra cotta clay is in good condition, you will use
    our stainless steel, terra cotta top plate that has a 1 1⁄2inch edge
    that goes all the way around (like a shoebox lid).

    *If your terra cotta clay flue is in bad shape at the top, you may
    need to just take a hammer and tap all around that terra cotta,
    taking it away to make the surface flat at the top of your chimney.
    In that case, you will simply use the flat top plate that comes with
    our liner kit.



    *Note: If you have a terra cotta clay chimney
    flue lining, be sure to measure the true length and width of the
    inside of your chimney flue space.

    *If it is on the back of the stove, is it parallel with the back of the stove or is it at an angle, like 45 degrees?

    *If it is at an angle you will use an insert stove adaptor (an insert liner kit) rather than a two-part tee with cleanout cap.


    Usually pellet stoves have an exhaust hole id of 3 inches. However, if you are going up more than 15 feet to the top of your chimney you need to use a pipe and/or flex liner that is 4 inches diameter.





    If you are only venting a hot water heater then the exhaust hole diameter is probably 3 inch diameter. If it is 3 inch diameter and you are going up more than 15 feet to the top of your chimney, you must use a 4 inch diameter flexible liner or ridged pipe for proper draft. We also suggest to go ahead and use a 4 inch diameter flexible liner or ridged pipe even if the total length is 15 feet or less.


    Not the depth or any other dimension inside your fireplace.

    Most gas log fireplaces require an 8 inch liner kit or rigid kit. But do not assume that is the case for the gas log fireplace kit you are installing. Obey the requirements for that specific unit that are in your installation/instruction manual.

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