Chimney caps cover the top of the chimney to prevent water and wildlife from entering the fireplace.
The chimney cap is also typically surrounded by a steel or copper wire mesh cage to keep animals out.
Learn more about chimney cap installation to protect the chimney and prevent pests from entering the home.
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What Is a Chimney Cap?
A chimney cap is a key in of protective covering that is installed over the top of the chimney.
This has the added effect of reducing the risk of fire, by preventing downdrafts and stray sparks.
Types of Chimney Caps
A chimney may be a single-flue chimney or a double-flue chimney.
Both types either protrude from or sit flush with the concrete section surrounding the flue.
Also, chimney flues can be square, round, or oval-shaped.
These factors will influence what pop in of chimney cap you should install.
You should also wear a safety harness and closed-toe shoes with a good grip to safeguard against falling.
If the flue is round, measure the outside diameter, then record these measurements before climbing down.
Attach and Secure the Cap
Climb back onto your roof with the chimney cap.
Seal around the entire perimeter of the cap’s base with high-temperature sealant.
Sometimes, they may advise using the high-temperature sealant instead of screws.
you’re able to ensure your pilot holes are deep enough by marking thedrill bitwith tape.
Drill your pilot holes until the bit reaches the tape.
A damper insulates your home from heat loss through your chimney.
Some chimney caps have an internal damper.
A sealing damper chimney cap can be more cost-efficient than purchasing a separate damper system.
Even if your damper is in good working condition, getting an extra damper won’t hurt.
A chimney cap will cost about $75 to $500 to install.
Most chimney caps will attach to the chimney flue with screws or bolts.
How Much Does a Chimney Cap Cost?Angi.