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Chimney crowns may be stone, concrete, or metal but most crowns are made of concrete. It’s not recommended to build chimney crowns with mortar (which is different from concrete) due to it’s weaker composition (especially when exposed to the outside elements). Most chimney crowns are custom made to fit your home’s specific chimney.

It’s possible to clean your chimney by accessing it from the opening above your fireplace, but be aware that this method is messier because you will be pulling loose buildup of soot, ash, and creosote into your fireplace instead of up, out, and onto the roof. While the bottom-up method can cause more of a mess, it’s a good option if you’re not comfortable getting on the roof.

DIY is not recommended due to safety and venting requirements. Professional installation ensures proper operation and compliance with codes.

There are several ways to determine if your chimney or fireplace damper is open or closed. A simple method is to check for airflow by placing your hand near the fireplace opening; if you feel a draft or hear wind whistling, the damper is open. An open damper might also make the room feel cooler, similar to the outdoor temperature, or cause your HVAC system to work harder than usual. For a more definitive test, you can try a visual inspection, although it may be difficult to see. Alternatively, you can light a small piece of paper and observe the smoke; if it is drawn up the chimney, the damper is open. Always use the damper handle to adjust its position.