Broomfield Homeowner’s Guide: Chimney Warning Signs and What to Check First

Tips · November 3, 2026

Your Broomfield chimney’s brickwork, liner, and draft are silent warning systems. Before you climb a ladder or poke around the flue, know what’s safe to check yourself, and what signs mean ‘stop and call a pro.’ Older brick homes hide risks behind cosmetic issues. Start with the roof, then the damper, and never ignore smoke smell or cold drafts in winter. When in doubt, call Condor Chimney Inc before small problems turn into costly repairs, or worse.

Three Simple Chimney Checks Every Broomfield Homeowner Can Do: Twice a Year: Without Tools or Climbing

Most pre-1980s Broomfield brick chimneys were constructed without modern safety standards in mind, making them prone to hidden dangers. Here’s what you can safely check from the ground or hearth without ladders or equipment: 1. The chimney crown, look for cracks wider than a pencil or missing mortar. 2. The damper, open it fully and check for rust or warping. 3. The fireplace opening, scratch off soot buildup near the firebox with a stiff brush (wear a mask). If you spot shiny black residue (creosote) during your inspection, stop DIYing and call us instead. Learn more about chimney crown repair for Broomfield brick homes>>/blog/chimney-crown-repair-broomfield-older-brick-homes/. Never use a pressure washer on brickwork, it weakens mortar. For a closer look, use a flashlight and a mirror on a stick to peer into the flue from the roof. If you spot orange rust stains inside the flue, that’s a liner issue, not a DIY fix. More on this in what we do.

Red Flags Your Broomfield Chimney Needs a Professional: Don’t Wait

These mean stop using your fireplace and call Condor Chimney Inc immediately: 1. Smoke or fumes in your home when the damper is open, this means a cracked liner or blocked flue. 2. A strong, downward draft when the fire’s burning (normal if it’s windy, but not if it’s pulling smoke into the room). 3. White, powdery residue on the fireplace hearth (not ash), this is moisture damage from a leaking liner or crown. 4. Animals nesting in your chimney (bird feathers, rodent droppings). 5. A sagging or leaning chimney, common in Broomfield’s older brick homes after freeze-thaw cycles. If you see any of these, your chimney may need a full inspection, liner replacement, or structural repair. See our guide on chimney repair in Broomfield>>/blog/chimney-repair-broomfield/ for what to expect. Take a look at contact the office.

How to Perform a Fast Chimney Self-Check in Broomfield (Step by Step)

Grab a ladder, gloves, and a flashlight. Step 1: Stand on the roof (use caution. Broomfield’s hilly terrain can be slippery) and inspect the crown for cracks or missing mortar. Step 2: Shine the light into the flue, look for soot buildup (normal) vs. glossy creosote (dangerous). Step 3: Open the damper and wave a lit match (safely!) near the opening, if the flame flickers wildly or goes out, your draft is blocked. Step 4: Check the fireplace hearth for cracks or spalling brick. If you find rust on metal parts or loose bricks, these are not DIY jobs. Our chimney maintenance checklist>>/blog/chimney-maintenance-checklist-broomfield-brick-homes/] has a printable version for Broomfield homeowners.] There is more in our crew and certifications.

DIY Fixes That Turn a 1950s Masonry Chimney Into a Fire Hazard (And How to Avoid Them)

Some chimney issues look simple but hide fire hazards, carbon monoxide risks, or structural dangers. Never DIY: - Removing creosote with a wire brush or vacuum, it’s flammable and can ignite. - Patching a cracked flue liner with duct tape or caulk, this fails in heat and moisture. - Replacing a chimney cap without checking for proper clearance (Broomfield’s windy winters make this critical). - Ignoring a blocked flue, this causes carbon monoxide buildup, which kills. Never use your fireplace if you smell gas or see yellow flames (should be blue). Older brick chimneys often have hidden masonry issues, what looks like a small crack can mean water damage to the flue. See why DIY chimney work fails in Broomfield>>/blog/chimney-sweep-vs-diy-broomfield-older-brick-homes/ before you risk voiding your homeowner’s insurance. We cover this in the towns we cover page.

When to Call Condor Chimney Inc: And Why Waiting Is Risky

If any of these signs raise doubts, give us a call instead of guessing. We specialize in Broomfield’s older brick homes and handle: - Full chimney inspections (including video scans for hidden damage). - Liner repairs or replacements (critical for gas fireplaces, never mix wood and gas). - Masonry repairs for cracked crowns, spalling brick, or leaning chimneys. - Creosote removal (we use rotary brushes and high-efficiency vacuums, not DIY tools). - Animal removal (guano buildup corrodes flues faster than you think). Broomfield’s dry, windy climate accelerates chimney wear. Don’t wait until you see smoke in your living room, schedule a sweep and inspection before your first fire of the season. Check our Broomfield service areas>>/areas/broomfield/] and book online or call us directly. See our pricing>>/pricing/ for transparent costs, no surprises for older brick homes.]

Frequently Asked Questions

Is a gas smell from your Broomfield fireplace a reason to worry, even when it’s not lit?

Yes, this is carbon monoxide leaking from a cracked liner or blocked flue. Never ignore it. Call Condor Chimney Inc immediately for a video inspection. Gas smells (even from old pipes) mean stop using the fireplace until we check for leaks. Learn about chimney safety in older Broomfield homes>>/blog/chimney-safety-broomfield-brick-homes/ to avoid CO poisoning risks.

Is it worth fixing a small crack in my chimney crown before winter, or will it hold up?

No, small cracks turn into big leaks in Broomfield’s freeze-thaw cycles. A cracked crown lets water, debris, and animals into your flue, rotting the liner and damaging brickwork. Repair it now before it costs $1,000+ for a full repointing. See our crown repair guide>>/blog/chimney-crown-repair-broomfield-older-brick-homes/ for why DIY patches fail.

Do I really need a chimney sweep if my fireplace is only for decorative gas logs?

Absolutely, gas fireplaces still need inspected. A blocked flue or damaged liner can leak carbon monoxide silently. Annual sweeps clear dust, soot, and corrosion from the flue. If your chimney was built for wood, a gas insert needs a stainless steel liner, otherwise, fumes will back up into your home. Compare wood vs. gas fireplace needs>>/compare/wood-vs-gas-fireplace/ before skipping maintenance.

Rather leave it to a pro? Call Condor Chimney Inc.

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