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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.

In addition to flashing, a roof cricket can help divert water around your chimney so that it drains properly off your roof. It’s shaped like a double triangle and is installed behind the chimney so that falling water spills evenly down each side. This helps prevent water from accumulating behind your chimney, which can increase water damage and the risk of leaks. 

The International Building Code (IBC) requires cricket installation if a chimney built after 2012 measures over 30 inches in width. Chimneys constructed before that date are typically grandfathered in and aren’t required to have crickets installed.

EIFS has several disadvantages, primarily related to cost and moisture. The system tends to have higher upfront installation costs compared to other siding options, and repairs can also be expensive, especially if water damage occurs. A significant downside is its low breathability, which can trap moisture between its layers from either leakage or condensation. This trapped moisture increases the risk of developing mold and rot, which can lead to costly and extensive repairs if not addressed promptly.

You can relight a pilot light by yourself, but it’s not always the safest choice to do so. While the job is straightforward, a small mistake could end in a gas leak, fire, or explosion. That’s why we recommend everyone hire a pro for this job. Local furnace pros have lit dozens if not hundreds of pilot lights, and they’re well-versed and highly experienced in the proper safety protocols to keep you, your family, and your home safe while doing so.