Regular, safe upkeep like visual checks and cap inspections can cut Longmont chimney costs by preventing damage before it starts. Always know when to call a pro.
Start with a simple Longmont chimney self-inspection
Once a year, stand back and look up at your chimney from the ground. Look for leaning bricks, missing mortar, or cracks—especially after Longmont’s winter freeze-thaw cycles. Check the chimney cap for rust or damage; it’s your first line of defense against critters and debris. Use binoculars if needed. If you see anything concerning, stop and call a pro. For a step-by-step guide, see our A Homeowner's Chimney Self-Inspection for Longmont — and When to Stop.
Keep your chimney cap clean and secure
A damaged or missing chimney cap lets rain, snow, and even pine needles enter your flue in Longmont’s changing seasons. Once a year, use a sturdy ladder (with a spotter) to check the cap. Remove leaves and nests by hand or with a soft brush. Never climb onto the roof yourself—Longmont’s elevation and weather make this a fall risk. If the cap is bent or rusted, replace it or call us at Michael Johnson Chimney Inc.
Prevent creosote buildup with safe burning habits
Burn only seasoned hardwood in your Longmont fireplace to reduce sticky creosote. Avoid softwoods like pine, which create more soot. Keep fires small and hot, and never burn trash or treated wood. After each burn, let the fire cool completely before closing the damper. A thin layer of ash (1 inch) is fine, but too much blocks airflow. If you notice a tarry smell or black buildup, it’s time for a professional sweep.
Check your damper for smooth operation
Your damper controls airflow and keeps heat from escaping up the chimney. Once a season, open and close it fully to ensure it moves freely. If it sticks or won’t close tightly, it may need lubrication or repair. Never force it—this can damage the chimney liner. If the issue persists, our team can inspect it safely. Learn more about dampers in our Chimney Safety: What Every Longmont Homeowner Should Know.
Warning signs that mean stop DIY and call a pro
If you see white, chalky stains (efflorescence), large cracks wider than a credit card, or hear a rumbling sound when the fireplace is off, these are red flags. Water stains inside your home near the chimney or a strong, acrid odor after burning also signal trouble. Longmont’s humidity and seasonal shifts can worsen hidden damage. Never ignore these signs—they often lead to costly repairs if left unchecked.
When to call Michael Johnson Chimney Inc
If your DIY checks reveal damage, or if it’s been over a year since your last professional inspection, it’s time to call us. We serve Longmont and nearby towns like Niwot, Erie, and Boulder. Our certified sweeps use modern tools to inspect flues, clean creosote safely, and spot issues before they escalate. Schedule a visit today via contact or see our pricing guide for transparent quotes. For a full list of services, visit our services page.
Frequently Asked Questions
My Longmont chimney smells like campfire even when I’m not using it. Why does this happen and what should I do?
A persistent campfire smell usually means creosote buildup or trapped moisture in your flue. Longmont’s damp springs can worsen this. First, ensure your damper is fully open when burning. If the odor lingers, it’s time for a professional cleaning. Call us to inspect and remove the buildup safely.
Why does my Longmont chimney crown have cracks, and can I fix them myself with caulk?
Cracks in your chimney crown let water seep in, freezing and expanding in Longmont winters. While caulk might seem like a quick fix, it won’t last long-term. The crown needs a durable sealant or rebuild by a pro. Ignoring it risks water damage to the flue and masonry. Let us assess and repair it properly.
After a windy storm in Longmont, I noticed my chimney cap is missing. Can I just replace it with any cap I find online?
No—your chimney cap must match your flue size and local codes. A mismatched cap won’t protect against critters or debris, and some DIY caps lack spark arrestors required in Colorado. Bring a photo of your flue to us, and we’ll install a code-compliant cap that fits Longmont’s weather demands.