What Is A Flue Cap

When choosing a flue cap decide on the style that best compliments the home.

What is a flue cap.

Sheet metal is commonly used to make a flue cap. Chimney flue caps have a big job to take care of. Flue stretcher chimney cap. Just measure the inside diameter of your flue and search for a cap with that diameter.

Most multi flue chimney caps are made custom to your specific chimney. On the sides of the flange there is four or more bolts attached to the cap to pressure fit the chimney cap to the flue. Without a cover. The right chimney cap fits the shape and size of your flue otherwise the cap itself serves little to no purpose.

Some chimney flue caps are elaborate others are basic but none are solely for decoration. Chimney caps that slip into the flue finding a chimney cap for this type of flue is also very simple. A flue cap is typically made of sheet metal and some type of screen. Single flue chimneys with flexible metal liners.

A flue stretcher chimney cap not only protects the inside of your chimney but is also designed to protect the concrete crown area at the top of the chimney. Once you have. For oval shaped flues make sure the cap is designed for the shape. A single flue chimney cap will sit on your existing flue and have a flange that will overhang the flue.

How chimney flue caps work. The inner diameter is the only measurement you need when capping a metal chimney liner. Another option is a multi flue chimney cap. This particular chimney cap is defective.

In our photo at left the chimney cap also called a mortar cap is the gray concrete visible around the projecting flue tiles at the top of the chimney. All flue shapes for this type of chimney typically need a cap that attaches with either clamps or screws. They can be easily removed to clean the chimney and are available in many styles to compliment a home s decor. All of the smoke from your fireplace is directed out through the chimney flue on top of your roof which contains a hole that is at least one square foot wide.