A well built masonry chimney can last for decades. Most of the chimneys that fail early do not fail because of age. They fail because water, creosote or a small crack was left alone for a few seasons too long. The good news is that chimney maintenance is not complicated. It comes down to a handful of checks done at the right time of year.
Below is the plan we give homeowners in Dallas Fort Worth: what to do every year, what to watch for season by season, and when it is time to call a professional.
What Shortens a Chimney's Life
Your chimney deals with heat, smoke, rain, humidity and Texas summer sun all year long. Over time, these lead to:
- Cracked bricks and crumbling mortar joints
- Water getting into the masonry, causing spalling, rust and mold
- Creosote building up in the flue, which raises the risk of a chimney fire
- Gaps that let animals and debris in
- Damage to the flue liner, which affects how safely smoke and gases leave the house
Every tip below targets one of these.
The Seven Chimney Maintenance Habits That Matter Most
1. Get an inspection every year
The Chimney Safety Institute of America recommends an annual chimney inspection. An inspector looks at the flue, the liner, the crown, the cap, the flashing and the masonry, and tells you what needs attention now and what can wait. See our chimney inspection service.
2. Clean the chimney when it needs it
If you burn wood regularly, plan on a cleaning at least once a year. Signs you are due include a strong smoky smell, black flakes in the firebox, smoke that does not draw well, and a fire that is harder to keep going. Learn more in 7 signs your chimney needs cleaning or see our chimney cleaning service.
3. Keep a cap on it
A chimney cap keeps out rain, leaves and animals, and the mesh catches sparks. It is one of the cheapest ways to protect the whole system. See chimney cap installation.
4. Fix mortar and brick damage early
Crumbling mortar lets water in, and water makes everything worse. Repointing (also called tuckpointing) replaces failing mortar before bricks start to loosen. See masonry repair.
5. Protect the masonry from water
Masonry is porous. A breathable water repellent applied by a professional lets moisture inside the brick escape while keeping rain from soaking in. See chimney waterproofing.
6. Check the flashing
Flashing seals the joint where the chimney meets the roof. When it lifts or rusts, water runs into the attic and down the walls. Water stains on the ceiling near the chimney are a classic sign. Read chimney flashing problems.
7. Burn the right wood
Dry, seasoned hardwood burns cleaner and leaves less creosote than wet or green wood. Never burn painted or treated wood, trash or cardboard boxes. Our guide to the best firewood for heat and safety covers this in detail.
A Season by Season Chimney Maintenance Plan for Texas
Spring
- If you burned wood over the winter, this is a good time for a cleaning while the creosote is fresh.
- Look at the crown and flashing after the spring storms. Note any new stains inside.
Summer
- Fireplaces sit unused, which is when birds and squirrels move in. Make sure the cap is in place and the damper is closed. See animals in your chimney.
- Summer storms bring heavy rain. A musty smell from the fireplace after rain usually means water is getting in.
- Summer and early fall are a good time for masonry work, waterproofing and repairs, before the fall rush.
Fall
- Schedule your inspection and cleaning before the first cold night, not after.
- Test the damper. It should open and close fully.
- Test your smoke and carbon monoxide detectors.
- Stack and cover your firewood off the ground.
Winter
- Clear ashes regularly into a metal container with a lid, stored outside away from the house.
- Watch how the fire draws. Smoke coming into the room is a sign to stop and get it checked.
- If you burn heavily, you may need a second cleaning partway through the season.
For a full fall checklist, see how to prepare your chimney for winter.
When to Call a Professional
Some things are fine to watch yourself. Others need a trained eye. Call a chimney professional if you notice:
- Smoke coming into the house when the fire is lit
- Water stains on walls or ceilings near the chimney
- Cracked, flaking or loose bricks, or a chimney that looks like it is leaning
- A cracked crown or missing cap
- Scratching or chirping sounds in the flue
- A strong smell from the fireplace that does not go away
Catching these early is almost always cheaper than waiting. For more on the repairs themselves, read common chimney repairs.
Frequently Asked Questions
How often should a chimney be inspected?
Once a year, according to the Chimney Safety Institute of America, and also before you use a fireplace that has not been used for a long time or when you buy a home with one.
Does a gas fireplace need maintenance?
Yes. Gas fireplaces do not produce creosote the way wood does, but the venting, burner and logs still need to be checked, and animals and debris can block a gas flue too.
Can I clean my own chimney?
You can clear ashes and keep the firebox clean. Sweeping the flue and checking the liner and crown is a job for a professional with the right tools and safety equipment.
Book Your Chimney Maintenance
SafeAir Duct & Chimney is a family owned, licensed and insured business. Our technicians are background checked, and we offer same day appointments in Dallas, Plano, Frisco, McKinney, Allen, Richardson, Carrollton, Lewisville, Flower Mound, Irving, Arlington and Fort Worth.
Book your chimney inspection online or call us at (214) 550-3348.
