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Chimney mason work

 

While you may not be intimately familiar with the anatomy of your home’s fireplace or chimney features, a chimney cap plays an important role in your home’s chimney system. If your home doesn’t already have one, here are five reasons why you should consider installing a chimney cap.

1. Reduces moisture

A chimney cap will keep rainwater from coming down your home’s chimney. Rainwater can damage chimneys with stainless steel liners, chimney dampers, and chimney mortar joints. Beyond the damage from the water itself, moisture from rainwater can produce mold and mildew.

2. Keep out animals

Animals like birds, raccoons, and squirrels often try to make their homes within chimneys. In many cases, these critters will enter the chimney but won’t be able to exit, eventually dying. This can produce maggots, flies and unpleasant odors in your home. A professionally installed chimney cap, sized properly, will prevent animals from entering the chimney.

3. Block downdrafts

If the wind is blowing in a certain direction, it can introduce a downdraft. If you don’t have a chimney cap and you’re using a wood-burning fireplace at the time, a wind-induced downdraft has the potential of blowing smoke back into your home. The flat-shaped top of a chimney cap is designed to help prevent wind-induced downdrafts.

Some people refer to chimney caps as spark arrestors, which basically means that the chimney cap helps prevent lit embers or sparks that travel up the chimney from landing on the roof, possibly catching it on fire.

5. Prevent debris build-up

Leaves, branches, twigs and other debris can enter a chimney and build up if a chimney cap is not in place.

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