BOB`S CHIMNEY

Bob`s Chimney
Chimney Sweep in Dunstable for Safe Fires and a Clean Flue
A dirty chimney can put your home and family at risk every time you light a fire. A thorough sweep by a local expert can prevent chimney fires and keep your home safe and warm throughout the season.
Professional Chimney Cleaning in Dunstable You Can Trust


Is creosote building up inside your chimney without you noticing the danger? Creosote forms when smoke cools inside the flue, leaving a sticky, tar-like layer on the liner. With each fire, it hardens and builds up, becoming highly flammable. If a stray spark ignites it, it can trigger a chimney fire strong enough to crack flue tiles and spread heat into surrounding parts of the home.
Our chimney cleaning uses rotary brushing and vacuum extraction to remove buildup and restore proper airflow through the flue. We also inspect the flue liner, mortar joints, and damper for cracks that could allow smoke or combustion gases to leak back into the home. During the same inspection, we assess creosote levels inside the flue and recommend cleaning when buildup reaches a level that increases fire risk. This can happen quickly with unseasoned or improperly dried wood.
Protect your home from fires and hidden gas leaks with a certified chimney sweep in Dunstable today.

Chimney Parts That Collect Soot and Creosote
Smoke leaves different buildup in each part of the chimney, and every area needs attention to keep the system working safely.
- Firebox: Ash and wood debris build up, restricting airflow for the next fire.
- Damper: Coated with sticky creosote that can adhere, jam, or prevent proper opening.
- Smoke shelf: Collects soot, creosote drips, and small debris behind the damper.
- Flue liner: Heavy creosote buildup hardens on the walls, creating a fire risk.
- Chimney cap: Traps leaves, nests, and debris that can block proper airflow
- Chimney crown: Gathers moisture and debris that can cause cracks and damage.
Book chimney cleaning in Dunstable to remove creosote buildup from your flue liner and damper. Contact us today for a safer fireplace.

Chimney Sweep and Repair Services You Can Count On

01
Chimney Cleaning
Remove soot and creosote from the flue liner, smoke chamber, and firebox to restore a strong draft and prevent chimney fires.

02
Chimney Inspection
Check the flue, mortar joints, crown, cap, and damper for cracks, water damage, and blockages that can cause hidden leaks.

03
Chimney Repair
Cracked flue tiles, spalling bricks, and loose mortar allow heat and gas to escape; we fix them before further damage spreads.

04
Chimney Crown Repair
A cracked crown allows rainwater to seep into the chimney structure, where it freezes and causes spalling; we seal or replace it quickly.

05
Chimney Flashing Repair
Leaky flashing at the roof joint causes attic rot and mold; we seal it to quickly prevent further water damage.

06
Chimney Rebuilding
Severely spalled bricks and leaning stacks require partial or full teardown and rebuild with new materials and a proper liner.
Chimney Sweep and Repair Services You Can Count On

01
Chimney Sweep
Remove soot and creosote from the flue liner, smoke chamber, and firebox to restore a strong draft and prevent chimney fires.

02
Chimney Inspection
Check the flue, mortar joints, crown, cap, and damper for cracks, water damage, and blockages that can cause hidden leaks.

03
Chimney Repair
Cracked flue tiles, spalling bricks, and loose mortar allow heat and gas to escape; we fix them before further damage spreads.

04
Chimney Crown Repair
A cracked crown allows rainwater to seep into the chimney structure, where it freezes and causes spalling; we seal or replace it quickly.

05
Chimney Flashing Repair
Leaky flashing at the roof joint causes attic rot and mold; we seal it to quickly prevent further water damage.

How Much Does a Chimney Sweep Cost in Dunstable?Chimney Sweep Cost in Dunstable?
The cost of a chimney sweep in Dunstable depends on the type of fireplace, the condition of the flue, and the amount of buildup inside. Wood-burning fireplaces and stoves typically require more cleaning than gas units, especially when creosote has accumulated in the liner. Bird nests, leaves, and other blockages can also increase the amount of work required.
Accessibility can also affect pricing. Steep roofs, tall chimneys, and complex chimney systems require additional safety equipment and setup time. The best way to get an accurate price is to schedule a professional assessment first, because every chimney system accumulates buildup and wears differently over time.
Don’t wait until a heavy buildup makes cleaning more expensive. Schedule your chimney sweep with us today.
Step-By-Step Chimney Cleaning Process
Our professional chimney sweep follows a clear process to keep your home clean and your system safe:
01
Drop sheets are placed to protect floors and furniture from soot.
02
A HEPA vacuum operates to manage dust during cleaning.
03
A rotary brush removes hardened creosote from the inside of the flue.
04
The smoke shelf is scraped by hand to remove hidden buildup.
05
The damper is cleaned and checked for smooth opening and closing.
06
The firebox is cleared of ash to restore proper airflow.
07
The draft is tested to make sure smoke is pulling up and out correctly.
08
The chimney cap and flashing are also inspected for damage or signs of wear.
Book a complete chimney sweep that does the job right, from floor coverings to the final draft check. Call our certified, licensed experts today.
Why Do Chimneys Need Year-Round Maintenance?
Creosote can continue to build up even when the fireplace is not in use. In warmer months, it absorbs moisture and becomes acidic, slowly damaging the chimney’s mortar joints and metal parts.
Animals may also nest inside during this period, obstructing airflow. Rain can enter through cracks or loose flashing, saturating the brickwork. When temperatures drop, this moisture can freeze, causing additional damage.
Regular checks throughout the year help catch these issues early, before they become costly repairs or safety problems when the chimney is back in use.
Book your annual chimney maintenance to prevent creosote buildup and water damage. Call our team now!
Local Areas We Serve in Dunstable
Bob’s Chimney serves every area of Dunstable, MA, with thorough chimney cleaning and inspections.
- Pleasant St
- Thorndike St
- Hollis St
- Fletcher St
- Groton St
- Lowell St
Wherever you live in Dunstable, you can rely on our certified team for a thorough chimney sweep near you!

Why Homeowners Trust Bob’s Chimney?
When you book a service with our chimney sweep company in Dunstable, you get a clean system and full satisfaction. Here’s why we stand out:
- Proper licensing and full insurance coverage
- Trained chimney technicians, not general cleaners
- Full flue inspection using camera equipment
- Cleaning performed to NFPA safety standards
- HEPA containment to prevent soot from spreading indoors
- Hands-on experience with all types of chimneys
- We identify structural issues before they require repairs
- Focus on safety, not just on surface cleaning
Schedule a full chimney inspection and sweep to repair hidden cracks and water damage. Contact us today.
What Our Customer Say About Bob’s Chimney
Over 10 Years of Trusted Service
Since 2014, we’ve helped thousands of homeowners keep their chimneys clean, safe, and working properly. As a trusted chimney sweep company, we’re proud to serve families in your local area with everything from quick repairs to regular maintenance.

