Sweeping, camera inspection, liner installation and masonry repair for fireplaces, wood stoves and furnace flues throughout the Town of Ramapo and Rockland County.
Most calls start as one thing and turn into another — a sweep uncovers a cracked flue tile, or a leak turns out to be a failed crown. Each service below explains what the work actually involves.
Brush and vacuum removal of creosote and soot from the flue, smoke chamber and firebox, with the work area sealed and negative-pressure vacuum running the whole time.
A $69 Level 1 visual inspection covers every readily accessible part of the system. Level 2 adds a camera scan of the flue interior and is the right call after a chimney fire, a system change, or a property sale.
Cracked flue tile, smoke chamber parging, damper replacement, and structural problems in the chimney itself. Start here if you are not sure which repair you need.
Stainless caps and full-width covers that keep rain, snow, leaves and animals out of the flue and stop downdraft from washing rain into the smoke chamber.
These are the complaints that bring most people to a chimney company. Each one has a short list of likely causes, and none of them are guesses you should have to make yourself.
01
Smoke rolls into the room
Usually a draft problem: a closed or rusted damper, a blocked flue, a smoke chamber that was never parged smooth, a flue sized wrong for the firebox opening, or negative pressure pulling air down the chimney from a bath fan or range hood.
02
A sour or campfire smell in summer
Creosote deposits absorb humidity and give off odor when warm, damp air moves down the flue. Cleaning removes the source; a cap and a corrected draft keep the smell from being pushed back into the house.
03
Water stains on the ceiling near the chimney
Water is entering above and running down. The usual suspects are a cracked crown, a missing cap, failed step or counter flashing, or brick and mortar that has absorbed enough water to wick it inside.
04
Brick faces flaking off outside
Spalling. Water soaks into the masonry, freezes, expands and pops the face off the brick. It accelerates every winter it goes untreated, and once the crown or cap is the source, patching the brick alone won’t stop it.
05
Debris or a nest in the firebox
An uncapped flue is an open shaft. Birds, squirrels and raccoons nest in it, and the nesting material both blocks the draft and burns. Removal plus a screened cap is the fix.
06
A home inspector flagged the chimney
Sale inspections routinely note cracked flue tiles, an unlined chimney, a deteriorated crown or a missing liner for a converted appliance. These need a chimney-specific inspection to scope properly before anyone prices a repair.
Our process
How a service visit runs
Sweeping and inspection happen on the same visit, because you can’t properly evaluate a flue you haven’t cleaned.
Step 1
Setup and containment
Drop cloths at the hearth, the fireplace opening sealed, and a HEPA vacuum drawing air inward before any brush goes up the flue.
Step 2
Sweep the system
Flue, smoke shelf, smoke chamber and firebox — brushed from top and bottom as access allows, with deposits vacuumed rather than swept into the room.
Step 3
Inspect the clean flue
With deposits gone, the liner, mortar joints, damper, crown, cap and flashing can actually be seen and assessed. Camera scan when the condition calls for one.
Step 4
Report findings
What’s serviceable, what needs monitoring, and what needs repair — with photos of anything you can’t see from the floor.
Ramapo conditions
What Rockland County winters do to a chimney
We have been working on chimneys in this county since 1986, and the damage pattern here is driven by water and temperature swings, not by heat. A chimney is the one part of a house exposed on all four sides and open at the top, so it takes in water that the roof sheds.
Through a Lower Hudson Valley winter the masonry goes through repeated freeze-thaw cycles. Water absorbed by brick and mortar during a thaw expands when it refreezes, and each cycle opens the joints slightly more. That’s why the same chimney can look fine one fall and be shedding brick faces the next.
Crowns crack first, then let water straight into the space between the liner and the brick.
Snow sitting on a chimney shoulder keeps masonry saturated far longer than rain does.
Older homes in the area often have unlined or clay-tile chimneys that were never sized for a modern insert or gas conversion.
Ice at the flashing line lifts and separates counter flashing from the mortar joint it was set into.
Freeze-thaw damage on a Rockland County chimney. The crown has cracked through, brick faces have popped off the top courses, and the white staining is efflorescence — salts carried out of the masonry by water moving through it.
Why it matters
A clean flue is a fire and CO issue, not a housekeeping one
Two things go wrong in a neglected chimney, and they go wrong quietly.
Stage-three glazed creosote. It will not brush off — this flue needed rotary cleaning before it could be used again.
Creosote and chimney fires
Wood smoke condenses on the flue wall as creosote. In its early stage it’s a flaky soot that brushes off easily. Left in place through more burning cycles it hardens into a tar-like layer and eventually a glazed coating that’s difficult to remove and readily ignitable. A chimney fire in a glazed flue burns hot enough to crack clay tile and expose the framing behind it.
Blocked flues and carbon monoxide
A flue that’s obstructed by a nest, collapsed tile or heavy deposits can’t carry combustion gases out. That applies to gas and oil appliances venting into a masonry chimney as much as to a fireplace — often more so, because nothing about it is visible from inside the house.
The National Fire Protection Association’s standard for chimneys calls for an annual inspection of the venting system. That’s the baseline we work from.
Projects
Recent chimney work
Real jobs with before-and-after photos, findings and the repair performed.
A flue coated in stage-three glazed creosote, cleaned back to bare tile. Deposits at this stage do not brush off and are the condition most likely to sustain a chimney fire.
Open and eroded mortar joints ground out and repointed. The old joints had recessed far enough to hold water against the brick, which is how freeze-thaw damage starts.
A failed crown with brick and mortar broken away at the top course, rebuilt and poured with a new overhanging crown, then fitted with stainless caps over both flues.
It depends on use, not the calendar. The venting system should be inspected annually; whether it needs sweeping is decided by how much deposit is present. A common working threshold in the trade is roughly an eighth of an inch of creosote buildup, or any glazing at all. A fireplace burned a few weekends a year may go longer between sweeps; a wood stove run as a primary heat source through a Rockland winter often needs sweeping mid-season.
Does sweeping make a mess in the house?
It shouldn’t. The fireplace opening is sealed and a vacuum runs continuously, holding the firebox under negative pressure so dust moves into the vacuum rather than into the room. Drop cloths cover the hearth and the path in. If soot is landing on your furniture, something about the containment was wrong.
Is an inspection included with a cleaning?
A visual inspection of the readily accessible portions happens as part of the sweep, because the flue can only be evaluated once it’s clean. A camera scan of the full flue interior is a separate, more thorough step — it’s the right call after a chimney fire, before a property sale, when an appliance is being changed, or when the visual raises a question.
What’s the difference between a chimney cap and a crown?
The crown is the sloped concrete or mortar slab covering the top of the masonry, sealing the gap between the brick and the flue tile. The cap is the metal cover that sits over the flue opening itself. The crown keeps water out of the chimney structure; the cap keeps rain, snow and animals out of the flue. Both fail in different ways, and a leak diagnosis has to distinguish between them. More on caps.
My chimney only vents a gas furnace. Does it still need service?
Yes, and it’s frequently the more urgent case. Gas appliances produce acidic condensate that deteriorates clay tile and mortar over time, and when a high-efficiency appliance is installed the old chimney is often oversized for what’s left venting into it. Deteriorated tile, blockages and improper sizing all interfere with getting combustion gases out of the building.
Can a cracked chimney still be used?
Not safely, until it’s been evaluated. A crack in a flue tile is a path for heat and combustion gases to reach the surrounding masonry and any framing in contact with it. Depending on the extent, the fix is anything from replacing a section of tile to installing a stainless liner through the existing chimney. How liners work.
Get your chimney looked at before you burn
Tell us what the chimney is doing — smoke, smell, water, or nothing at all and it’s just been a while. We’ll tell you what it needs.
