Summer heat and storms stress older masonry chimneys in New Hartford. Simple DIY checks now can prevent costly damage, but know the red flags that require a licensed sweep to protect your home and family.
Clean the firebox and remove ash safely
After your last fire of the season, let the ashes cool completely—usually 24–48 hours. Wear gloves and a dust mask, then scoop ashes into a metal container with a tight lid. Store the container away from the house. Never use a vacuum unless it’s a shop vac with a HEPA filter designed for fine ash. For stubborn residue, a stiff nylon brush and a shop towel work. If the firebox has heavy buildup or cracked mortar, stop and call a pro. Older New Hartford homes often have soft brick that chips easily—DIY cleaning can worsen damage. Learn more about our full list of services.
Inspect the chimney cap and crown from the ground
Use binoculars to check the chimney cap for rust, dents, or missing sections. A damaged cap lets rain, squirrels, and debris enter, accelerating masonry decay. Look at the crown (the concrete or mortar top) for cracks or spalling. Small cracks can be sealed with high-temperature silicone, but if chunks are missing or the crown slopes inward, you need a professional repair. In New Hartford’s humid summers, water intrusion can rot rafters unseen until it’s too late. See request a free estimate / contact us.
Check for water stains and efflorescence on brick
Walk around your chimney after a rain. Look for white, chalky streaks (efflorescence) on the brick—this means water is dissolving salts in the mortar and depositing them on the surface. Also watch for dark stains or damp spots on interior walls near the chimney. These are signs of a leaky flue or damaged liner. Older brick in New Hartford homes often has soft lime mortar that erodes faster. If you see persistent stains, don’t ignore them—moisture leads to freeze-thaw damage in winter and mold in summer.
Test the damper operation and seal
Open and close the damper a few times to ensure it moves freely. Lubricate the hinge with a dry graphite powder if it squeaks. Check the seal when closed—use a flashlight to look for gaps. A poor seal lets conditioned air escape and pulls warm attic air down, increasing energy costs. For metal dampers, a thin layer of high-temp silicone caulk can seal small gaps. If the damper is warped or won’t stay open, it’s time for a replacement. In New Hartford’s older homes, dampers often corrode from decades of use.
Warning signs that mean call a professional now
Stop all DIY work and call a licensed sweep immediately if you see cracked or missing bricks, a leaning chimney, or gaps wider than a credit card between the chimney and roofline. Also call if you smell smoke indoors when the fireplace isn’t in use, hear a roaring sound in the flue, or notice soot or debris falling into the firebox. These signs point to structural failure, a blocked flue, or a dangerous creosote buildup. In New Hartford, older masonry chimneys often hide hidden damage behind fresh paint or stucco—what looks minor can be a ticking time bomb.
When to Call Ember Willow Chimney Inc
If your New Hartford chimney shows any warning signs, or if it’s been over a year since your last professional inspection, schedule a visit with us. We specialize in older masonry systems and chimney liners, common issues in New Hartford’s historic homes. Our licensed team uses video scanning to spot hidden cracks and creosote layers that DIY tools miss. We also offer chimney cap upgrades and crown repairs to protect against summer storms. Book early—summer is our busiest season. Visit our services to see all we offer, or contact us for a free estimate tailored to your home.
Frequently Asked Questions
Should I seal my New Hartford chimney’s bricks with paint to stop water damage?
No. Painting bricks traps moisture inside, accelerating freeze-thaw damage in winter and mold growth in summer. Instead, use a breathable siloxane sealer designed for masonry. If your bricks are already painted, consult a pro—stripping old paint can damage soft historic brick common in New Hartford.
Is it worth replacing a rusted chimney cap myself in New Hartford?
No. A poorly fitted cap can blow off in summer storms or allow debris to clog the flue. We recommend a stainless steel cap with a mesh screen sized for your liner. In New Hartford, squirrels and raccoons love nesting in uncapped flues—call us to install a secure, code-compliant cap.
Do I really need a chimney liner inspection if my fireplace works fine in New Hartford?
Yes. Even if your fireplace burns cleanly, liners degrade over time. Older New Hartford homes often have clay tile liners that crack or shift. A hidden crack can allow deadly carbon monoxide into your home. Schedule a video inspection every 2–3 years—it’s cheaper than emergency repairs after a chimney fire.