What is a chimney cover
Nathan Sanders
Published Apr 03, 2026
What Is a Chimney Cap? Chimney caps are protective coverings that go over the top of your chimney. They are usually made of steel or copper mesh and come in a variety of styles to match the outside of your home. On top of the mesh ring, is a cap that helps protect your chimney from rain and downdrafts.
What is the cover over a chimney called?
The Chase Cover Unlike a chimney cap that covers only the top of the flue opening, a chase cover fits over the top of the chimney. They’re also called “top pans” because they top chimneys that are sided with vinyl, metal, or wood. They are a common cause of rust stains on the chimney if installed incorrectly.
What is the difference between a chimney cap and a rain cap?
A rain cap, a chimney cover or an animal guard is something that mounts over the top of the flue. It helps to keep rain and animals out. … A chimney cap does not stop the flow of air/smoke in the flue. There is nothing to operate; they just sit on top of the chimney and keep rain out.
How important is it to have a chimney cap?
The number one benefit provided by a chimney cap is that it prevents water from getting into the chimney. … Animals that often gain access to chimneys include snakes, squirrels, and raccoons. Birds are also drawn to chimneys because of the warmth they provide, and they will build nests there, if the chimney isn’t capped.Why do people cover their chimney?
The chase cover — or “chase pan,” as some people call it — is the square or rectangular piece of metal that is fitted to sit securely on top of your chimney chase, helping to keep water and other environmental elements out.
How much does it cost to put a cap on a chimney?
Chimney Cap Installation Cost Installing a chimney cap costs $300 on average, ranging from $75 to $1,000. The cap runs $35 to $550 depending on material and size. In most cases, you’ll pay $100 to $200 for installation.
Should a chimney have a cover?
A chimney cap prevents water from entering the chimney. Moisture can enter the flue anytime it rains, without a chimney cap. This can cause water to get inside the attic or house as it runs down the brickwork. … It is best to choose a chimney cap with the mesh siding to prevent critter from entering your chimney.
Why do some chimneys not have a cap?
Chimneys are complex structures and are always exposed to the weather. They aren’t designed to go without chimney caps, but not everyone knows this. Because chimneys are always exposed, rain water, leaves, feathers, and all sorts of things can fall into them and build up or cause damage.Is it bad to not have a chimney cap?
Without a chimney cap in place, all manner of debris can build up in your chimney. With the risk of the flue becoming blocked, leading to smoke and carbon monoxide back drafting into the home. Or When you light your first fire of the season, that debris can go up in flames and wind up catching your house on fire.
Does a brick chimney need a cap?It is crucial for brick chimneys to have a chimney cap. Leaving a brick chimney flue uncapped will only caused greater problems in the future. Rain water will inevitably wash out the mortar joints that holds the flue together causing the flue to be unusable.
Article first time published onWhat does a chimney chase cover look like?
Chimney chase covers are commonly referred to as chase pans or chase tops. They are typically a rectangular-shaped piece that covers the top of your chimney made of brick, wood, vinyl, or metal siding. Chase tops are only found on chases connected to factory-built fireplaces.
Do chimney caps keep water out?
Chimney cap: The chimney cap protects the top of your flue from water entry, as well as animals and debris. Without a properly fitted chimney cap, the flue and fireplace are left completely exposed to water entry from rain.
Where does rainwater go in a chimney?
Unless a chimney has a cowling, rain often comes down its relatively small aperture. But all chimneys have a bend built into them to prevent any downdraught. Any normal rain will be absorbed by the insides of the chimney and prevented from going all the way down by this ledge.
How much does a concrete chimney cap cost?
MaterialAverage Price for Prefab (Installed)Average Price for Custom (Installed)Concrete$300 – $400$390 – $520Metal$325 – $650$425 – $910
How do I prevent cold air in my chimney?
Another great way to block cold air is with a chimney balloon or plug. These devices are placed above the throat damper and inflated to completely block air from coming down into your fireplace. Balloons are designed to be used only when a fire isn’t burning.
Are chimney caps required by code?
The answer is yes, chimney caps are necessary because manufacturers of relining materials do require them as part of a complete installation. Not installing a chimney cap will void any warranty you have on the pipe.
What is a chimney cap made of?
The most common metals for chimney caps are copper or stainless steel, both of which should last indefinitely. Most copper and stainless steel caps come with a lifetime warranty. Galvanized chimney caps are also an option and come with a limited warranty.
How long do Chase covers last?
Chimney chase covers that are made of galvanized steel tend to rust quickly and will usually need to be replaced about every five years. Copper and stainless steel ones are much stronger and may last for your lifetime as long as they are not damaged by a severe weather event or fallen branch.
How much does it cost to close a chimney?
Average Cost$6,000High Cost$10,000Low Cost$4,000
Does insurance cover chimney leaks?
Yes, a standard homeowners insurance policy (HO3) covers chimney repairs if a covered peril caused the damage. Your chimney is considered part of your home’s structure, so its coverage mirrors your dwelling’s coverage. It does not cover maintenance or other uncovered perils. Chimney damage can occur in several ways.
How do you install a chimney cap?
Drill pilot holes into the crown through the holes on the cap. Remove the cap and run a bead of caulk around the crown’s edges. Set the chimney cap in place again over the caulk. Place the installation screws in the pilot holes and tighten them with a screwdriver.
How do you waterproof a chimney cap?
Sealing the chimney crown with crown sealer, a flexible elastomeric coating, is the best way to stop existing cracks from spreading and prevent new ones. Choose a clear or overcast day for the project (no rain in the forecast for at least four hours). Prepare the crown by cleaning it with a stiff poly or nylon brush.
Can water leak through brick chimney?
If you notice water leaking through your chimney but you know everything else is in good condition, then your brick and mortar joints are most likely the culprit. You must get them repaired as soon as possible because if the leaking continues, your chimney’s structural integrity is at stake.
Is it normal for some rain to come down chimney?
Rainwater trickling into your fireplace is not normal. In fact, it is a telltale sign that there is an issue within your chimney system. The chimney is a much more complicated structure than most people realize. For this reason, pinpointing the exact source of the leak can be challenging.
Can you use fireplace during rain?
It is perfectly acceptable to use a fireplace while it rains, especially if you have invested in a chimney cap, cowl, or damper. You can also take an additional step to keep your chimney waterproof by using a water-repellent on the exterior masonry work.