Frequently Asked Questions

We lay protective coverings, run a rotary brush system up your flue to remove creosote and soot deposits, vacuum the firebox and smoke chamber, and inspect accessible masonry and metal components for damage or deterioration. The whole process typically takes 45 to 90 minutes for a standard system. You'll receive photos of anything we find, along with a plain-English verdict on whether your chimney is safe to use.

The National Fire Protection Association recommends annual inspection, with cleaning as needed based on use and fuel type. Most Ellicott City homeowners with wood-burning fireplaces find that annual sweeping keeps creosote buildup in check, especially given our cold winters and the tendency to burn seasoned hardwood. If you use your fireplace as a primary heat source or burn more than three cords per season, you may need more frequent service.

A routine sweep on a well-maintained system takes about 45 minutes to an hour. If we encounter heavy creosote glazing, a blocked flue, or need to remove animal nesting material, it can extend to 90 minutes or more. We don't rush. The 400th job gets the care of the first - that's our Every time value, and we mean it.

No. We use industrial-grade vacuums with HEPA filtration, lay drop cloths from the door to the hearth, and seal the fireplace opening before we begin. Our technicians work in your home the way we'd work in our mother's - that's our Your home first value. When we leave, the only evidence we've been there is a clean chimney and your photo report.

Clear the area around your fireplace of decorative items, furniture within about six feet, and any ashes that are more than 24 hours old. Don't use the fireplace for at least 24 hours before we arrive - the system needs to be completely cool for safe handling. If you have questions about gas log sets, stove inserts, or other appliances connected to the chimney, have the manufacturer names and model numbers handy.

We work with established, code-compliant liner systems including DuraFlex and Copperfield, selected based on your specific appliance, fuel type, and flue configuration. The right liner isn't a one-size-fits-all decision - a wood stove, gas furnace, and open fireplace each place different demands on the system. We specify the material and diameter based on NFPA 211 standards and what your inspection reveals.

HeatShield is a cerfractory flue resurfacing system we use when flue tiles are cracked or spalled but the structural shell of the chimney is sound. It's a repair, not a replacement - we apply the material to fill gaps and restore a smooth, sealed surface that meets safety standards. Whether HeatShield, a stainless steel liner, or full rebuilding is appropriate depends on what our camera inspection shows. We don't guess; we document and recommend based on evidence you can see.

Yes, Gelco is among the cap brands we install when a homeowner needs protection against water intrusion, animal entry, and downdraft issues. A proper cap with a mesh screen is one of the simplest investments you can make to extend chimney life - it keeps rain out of your flue, prevents squirrels and birds from nesting, and blocks embers from escaping onto your roof. We measure on site and fit to your specific flue dimensions.

Every pro working under our name is required to hold the license and insurance their state requires, and we prioritize CSIA-certified sweeps for our field teams. Certification matters because chimney work involves understanding fire dynamics, building codes, and the specific hazards of combustion systems. We've been at this since 2014, and we don't send anyone to your home who hasn't demonstrated competence through both training and supervised field experience.

Yes. We carry the general liability and workers' compensation coverage required for residential work in Maryland. If you'd like to verify our coverage, we're happy to provide a certificate of insurance. A company that plans to be in town in thirty years acts like it - that means being properly insured, standing behind our work, and treating your property with respect.

Structural repairs, liner replacements, and new chimney construction typically require permits through Howard County's Department of Inspections, Licenses, and Permits. Routine cleaning and maintenance sweeps do not. When a permit is needed for work we recommend, we handle the application and scheduling as part of our service. We know the local inspectors and the code requirements specific to this jurisdiction - it's part of why homeowners in Catonsville, Elkridge, and Sykesville call us rather than trying to navigate it themselves.

A chimney fire - characterized by loud cracking or popping, dense smoke, or an intense hot smell - requires immediate evacuation and a 911 call. Carbon monoxide alarms sounding, especially if tied to a fireplace or heating appliance, also demand urgent action: get outside and call emergency services. For less immediate concerns like a sudden draft problem, visible exterior damage after a storm, or an animal trapped in the flue, call us at (410) 305-7884. Our phone is answered 24/7, and we'll advise whether you need immediate service or can safely wait.

No. If you smell smoke where you shouldn't, see visible cracks in the masonry, notice water leaking around the chimney, or have any reason to doubt your system's integrity, stop using it until it's been inspected. The risks are real - chimney fires spread to roof structures in minutes, and carbon monoxide is odorless and deadly. A camera inspection takes an hour and gives you certainty. The cost of checking is negligible compared to what a fire or poisoning event costs.

Yes. You can reach us at (410) 305-7884 any time, day or night. A live coordinator will answer, gather the details, and connect you with the appropriate member of our local team. For true emergencies, we'll guide you on immediate safety steps. For urgent but non-life-threatening issues, we'll get you scheduled as quickly as possible. We don't promise impossible arrival times, but we do promise you'll reach a person who can help.

We apply The Keystone Standard to every job: 90 days, in writing, no arguing. If something we did isn't right, we come back and fix it. No paperwork battle, no runaround. For liner installations and major repairs, specific material and workmanship warranties apply and are detailed in your written agreement. The hearthstone is the stone the whole home gathered around - we take that seriously, and we stand behind it.

You own your home, and the decision is always yours. Our job is to show you what we found, explain what it means for safety and function, and give you a fair quote. Some homeowners schedule everything we recommend immediately. Others prioritize and phase work over a season or two. If we identify something that can safely wait, we'll say so plainly. If it can't, we'll explain why - and show you the camera evidence so you're not taking our word for it.

We guarantee that our work meets applicable codes and standards, and we provide documentation - photos, written reports, and when relevant, permits and certificates - that you can present to inspectors, insurance companies, or buyers. We don't control what an individual home inspector flags, but we do control the quality of our work and the clarity of our documentation. In twelve years of serving Ellicott City, Catonsville, Woodlawn, and the surrounding communities, that approach has served homeowners well.

We ask for 24 hours' notice if you need to reschedule so we can offer that slot to another homeowner. We understand that life happens - weather, illness, sudden conflicts. We don't charge cancellation fees for reasonable notice. If we need to reschedule due to unsafe weather conditions or an emergency call ahead of yours, we'll communicate promptly and offer the next available appointment that works for your schedule. We'll be there when we say - that's part of a square deal.

Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Ellicott City since 2014.