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Installing a spark arrestor on your home’s chimney is an essential task. It reduces fire risk and ensures your chimney is compliant for insurance and building code purposes. Not having a spark arrestor could invalidate your home insurance or cause snags when it comes to a house sale.

Yes, it’s worth capping a chimney. Here are several reasons to install a chimney cap:

• Keep out rain, snow, wildlife, and other debris

• Help prevent chimney fires

• Reduce your chimney’s exposure to moisture

• Maintain your chimney flue liner

• Help reduce energy bills by helping regulate your home’s temperature

A chimney requires both a cover and a cap, but these parts often get confused with one another. A chimney cover seals the top of the chimney around the flue pipe to prevent water from entering the chimney. A chimney cap is a piece that sits above the flue to prevent animals, debris, and water from entering the flue.

Yes, you should seal and cap an unused chimney to protect it from damage. Sealing the structure helps prevent moisture damage, which can lead to issues like cracks, spalling, efflorescence, and damaged mortar joints. Capping the chimney is also crucial to prevent blockages, damage from invasive critters, and downdrafts, while still allowing for proper air ventilation to manage moisture. For the best results, consult a chimney professional to select the right type of chimney or flue cap for your home. It's also wise to continue with annual chimney inspections to maintain the structure's integrity.