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Chimney Crown Repair

CrownSeal is a revolutionary premixed crown repair system that forms a flexible, waterproof coating to seal and protect chimney crowns. It can be used in a variety of horizontal or vertical waterproofing applications as long as the surface is structurally sound. CrownSaver Crown Repair System lets you rebuild and waterproof crowns in one trip. Plus you get a 10-year warranty against cracks caused by shrinkage to boot. It comes in a 30 lb. container. One container gives you enough to cover approximately 30 sq. ft. at 1/2″ depth – about three to five average crowns.  Read more about chimney crowns here.

Cements and Mortar

Fireplace Mortar in caulking tubes is great for tuckpointing fireboxes and mortaring replacement firebricks. It will dry as hard as firebrick when it’s properly cured. Furnace/refractory cement will bond masonry to masonry, steel to steel, and steel to masonry. Castable Fire Brick sets to a light brown color, hard as brick. Use it for replacing worn-out firebrick in the bottom of woodstoves, cast it into irregular shapes, or use it as a solid stone bed. The best application for Super 3000 Cement is a masonry to masonry bond. Super 3000 Cement is a premixed air and heat setting mortar which withstands temperatures up to 3000 degrees F and resists freezing down to 0 degrees F.

Chimney Repair & Cleaning Tools

Find everything from Chimney Cleaning Rods and Brushes to Flue Tile Breakers.

Cleaning Solutions

If you have creosote building up, use these creosote removers to clean up.








    *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.

    THANK YOU FOR ANSWERING THOSE QUESTIONS

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