How to Install Chimney Caps

Nov 17th

Chimney caps may be just the ticket if you want to keep water from entering your chimney, which can cause damage to the smoke duct and the combustion chamber. A chimney cap also prevents birds and other animals from entering the flue. Chimney caps also prevent downstream currents and can be used in smoke tubes that are used to expel smoke from burning wood, coal, gas or oil. Some fireplace lids may also have a spark installed screen to keep the embers from the wood fires from landing on the roof or the surrounding vegetation. The cap should be well connected to the chimney to prevent the wind blowing off.

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Push the chimney caps onto the flue pipe until it is fully seated. Attach a chimney cap strap around the base of the cap legs. Insert a bolt through the mounting holes on each side of the belt where they are located together in the base of the cover. Screw a nut onto the end of the bolt. Tighten the screw clockwise with an adjustable wrench. Do not over tighten the strap, as the base of the cover and the flue pipe could be crushed.

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Your chimney caps should come with all mounting hardware. If not, buy stainless steel nuts and screws at any hardware store. Always use stainless steel or other rust-free fasteners in outdoor environments, such as using regular steel fasteners can cause rust rays on the fireplace or ceiling over time.

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