What Is A Flue Cap

Single flue chimneys with flexible metal liners.

What is a flue cap.

For oval shaped flues make sure the cap is designed for the shape. Once you have. A flue cap is typically made of sheet metal and some type of screen. The right chimney cap fits the shape and size of your flue otherwise the cap itself serves little to no purpose.

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. Some chimney flue caps are elaborate others are basic but none are solely for decoration. How chimney flue caps work.

Just measure the inside diameter of your flue and search for a cap with that diameter. The inner diameter is the only measurement you need when capping a metal chimney liner. When choosing a flue cap decide on the style that best compliments the home. 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.

Sheet metal is commonly used to make a flue cap. This particular chimney cap is defective. Single flue chimneys with extended flues. Too thin cracked leaky missing an expansion joint at the flue tile and lacking a drip edge projection over the chimney top.

Why do i need a chimney cap the most important reason for capping your chimney is to protect the inside of your chimney from water which can lead to moisture damage. Chimney flue caps have a big job to take care of. Another option is a multi flue chimney cap. Without a cover.

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. Flue stretcher chimney cap. 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. A single flue chimney cap will sit on your existing flue and have a flange that will overhang the flue.