Chimney Sweep & Cleaning
Wood and furnace flues brushed clean under HEPA vacuum, and the liner checked while it can actually be seen.
Sweep & cleaning in WoodbridgeWoodbridge Township chimney service · Middlesex County, NJ
Flue cleaning, chimney inspections, leak fixes, new liners, crowns, flashing, repointing, and rebuilds across Woodbridge Township and neighboring Middlesex County towns. Whatever the chimney needs, base to cap.
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Chimney services
Woodbridge Township's homes have a median build year of 1962, 70% went up before 1980, and 80% heat with utility gas (Census Bureau, American Community Survey 2020-2024 5-year estimates). That mix of aging masonry and gas furnace flues shapes the list below. If the right service is unclear, text or email a photo and we will point you to it.
Wood and furnace flues brushed clean under HEPA vacuum, and the liner checked while it can actually be seen.
Sweep & cleaning in Woodbridge
Relining in stainless for broken clay tile and for flues left oversized when the appliance on them changed.
Liner replacement in Woodbridge
Ceiling rings, rusty dampers, and white-streaked brick followed back to the source, and only then repaired.
Leak repair in Woodbridge
Failed crowns torn off and re-poured with a real overhang, or resurfaced when the concrete can be kept.
Crown repair in Woodbridge
Worn joints raked deep and refilled with mortar matched to the brick, finished so the new work disappears into the wall.
Repointing in Woodbridge
Metal flashing let into the mortar joint, replacing the tar patches that keep failing every spring.
Flashing repair in Woodbridge
Leaning stacks brought down to solid brick and relaid to match, from the roofline or the shoulder up.
Rebuilds in Woodbridge
Flue-sized stainless caps and whole-crown covers, bolted on and screened against rain and animals.
Cap installation in Woodbridge
A vapor-permeable water repellent on sound masonry, applied once repairs are done and never as a substitute for them.
Waterproofing in Woodbridge
A camera run down the flue at Level 1 or Level 2, with a photo report you keep.
Inspection in Woodbridge
Camera-documented Level 2 reports for NJ closings, with every flue on the property covered.
Certification in Woodbridge
Damaged bricks removed one at a time and replaced with matched stock that blends in.
Masonry repair in Woodbridge
Seized throat dampers freed or swapped out, and top-sealing units installed when the old cast iron is beyond saving.
Damper repair in Woodbridge
Raccoons and squirrels taken out humanely, nests pulled, and stainless mesh fixed over the flue so it never repeats.
Animal removal in Woodbridge
Firebox joints repacked in refractory mortar, prefab panels replaced to spec, and gas sets sorted honestly.
Fireplace repair in Woodbridge
The whole duct brushed end to end, the lint captured, and the airflow measured to prove the run is open.
Dryer vents in WoodbridgeOur process
Ladder up, camera down the flue, and photos of every problem, especially the ones nobody can spot from the yard.
Each item listed on its own line with the materials spelled out. You get a fixed price up front, and nothing is padded with allowances.
The inside of the house stays protected under drop cloths while access is staged outside and the mortar is mixed to match the old joints. Most of the job happens outside, at the stack and on the roof.
Photos taken before we began and after we finished, so you can check exactly what the money bought.
Materials and methods
A cracked clay flue is relined either in new clay tile or with a 316Ti stainless liner carrying a listing, matched in size to the appliance venting through it and wrapped in insulation so flue temperatures stay correct. Plenty of flues fail because they are too big, not because they are broken. The cap on top is stainless, fastened to the clay tile or the concrete crown, and its mesh keeps out water, birds, and nesting debris while letting the chimney draw.
A worn crown is replaced by a new pour that has an overhang and a drip edge, or it gets a flexible sealant coat when the concrete is sound apart from hairline cracking. For repointing we use Type N mortar, deliberately softer than the brick, matching how the first joints were made. Flashing climbs the roof in steps, a counter-flashing layer is set into a mortar joint above it, no roof tar is involved, and the brick or stone is finished with a vapor-permeable siloxane treatment that still lets the masonry breathe.
Coverage
Our address is 1037 US-9, Howell Township, NJ, the home of Central Jersey Masonry & Chimney Sweeps, Div. of Hearth Services Unlimited Inc. We take jobs in every section of Woodbridge Township and the Middlesex County towns listed here. There is no trip charge when we return for a second look.
Middlesex County housing
A chimney's likely problems follow the age of the house and the fuel it burns. In the Census Bureau's American Community Survey, the median Woodbridge Township home dates to 1962, twelve years older than the Middlesex County median of 1974, and 70 percent of township homes predate 1980, against 57 percent countywide. The sections and nearby towns differ:
| Place | Median year built | Before 1980 | 1939 or earlier | Single-family detached | Gas heat | Fuel oil heat |
|---|---|---|---|---|---|---|
| Woodbridge township | 1962 | 70% | 11% | 62% | 80% | 5% |
| Avenel | 1977 | 53% | 10% | 43% | 73% | 3% |
| Colonia | 1959 | 80% | 3% | 88% | 84% | 6% |
| Fords | 1957 | 84% | 12% | 69% | 82% | 5% |
| Iselin | 1959 | 74% | 4% | 69% | 86% | 4% |
| Port Reading | 1962 | 79% | 13% | 93% | 88% | 4% |
| Sewaren | 1960 | 71% | 31% | 69% | 80% | 4% |
| Carteret | 1960 | 71% | 15% | 49% | 75% | 7% |
| Perth Amboy | 1959 | 70% | 31% | 29% | 76% | 4% |
| Rahway (Union County) | 1962 | 65% | 15% | 45% | 71% | 6% |
| Metuchen | 1961 | 72% | 15% | 66% | 85% | 3% |
| Edison township | 1975 | 56% | 6% | 49% | 83% | 2% |
| Sayreville | 1973 | 61% | 8% | 52% | 82% | 4% |
| Middlesex County | 1974 | 57% | 10% | 52% | 79% | 3% |
Fords has the oldest median listed, 1957, and the largest pre-1980 share, 84 percent. Avenel is the young section at 1977. Sewaren and Perth Amboy each have 31 percent of homes from 1939 or earlier, about three times the county share. Gas heats 71 to 88 percent of occupied homes everywhere on the list, and fuel oil 2 to 7 percent, so most flues here carry gas appliance exhaust.
Source: Census Bureau, American Community Survey 2020-2024 5-year estimates (Middlesex County; Woodbridge and Edison townships; Avenel, Colonia, Fords, Iselin, Port Reading, Sewaren, Carteret, Perth Amboy, Rahway, Metuchen, Sayreville). Heat columns are shares of occupied units.
About the township
Woodbridge Township is the oldest original township in New Jersey, chartered by King Charles II on June 1, 1669. It has no single downtown: Avenel, Colonia, Fords, Hopelawn, Iselin, Keasbey, Menlo Park Terrace, Port Reading, Sewaren, and Woodbridge proper are unincorporated communities and census-designated places that together form one municipality. The 2020 census counted 103,639 residents. About 19 percent of it lies in FEMA flood hazard areas. The climate is borderline humid subtropical, hardiness zone 7a, so winters still freeze water held in brick and mortar.
Source: Wikipedia, "Woodbridge Township, New Jersey" (census figures as reported there).
Attached and multi-unit homes
Detached houses are under half the housing in Perth Amboy, Avenel, Rahway, Carteret, and Edison. In attached and multi-unit buildings, one masonry stack may hold flues for more than one unit, and townhouses often vent through a factory-built fireplace or metal pipe in a framed chase. Work on a shared crown or cover affects every flue under it. Settle who decides first:
Standards and code
NFPA 211 says chimneys, fireplaces, and vents "shall be inspected at least once a year for soundness, freedom from deposits, and correct clearances," with cleaning and repairs done if necessary. Gas flues are not exempt. CSIA sets sweeping a masonry fireplace at 1/8 inch of sooty buildup, sooner if glaze is present; see the sweep page.
NFPA adopted CSIA's inspection levels into NFPA 211 on January 13, 2000. Level I covers the readily accessible parts. Level II is required for a new heating appliance or fuel change, a property sale or transfer, or after a malfunction or external event likely to have caused damage, and adds attics, crawl spaces, and basements. Level III opens concealed areas. Details are on the inspection page.
N.J.A.C. 5:23-2.14 requires a permit to repair, alter, or install regulated equipment unless an exception applies; the ordinary-maintenance list in 5:23-2.7 includes liquid lining applied inside an existing chimney. Replacing a gas or oil appliance, or switching from oil to gas, calls for DCA form UCC F370, verifying the chimney is in good repair, clear, substantially clean of old-fuel residue, and lined and sized for the appliance. A homeowner cannot file it in place of the required inspection.
Under the International Residential Code as New Jersey adopts it (N.J.A.C. 5:23-3.21), section R1003.9 puts a masonry chimney at least 3 feet above its roof penetration and 2 feet above anything within 10 feet. See the crown page.
Hiring
A few direct questions tell you most of what you need. Ask every company, this one included.
Check any named credential with its issuer; CSIA lists certified sweeps on csia.org.
Questions
It depends on what failed and how high up it failed. A cap or a crown coat sits at the small end, repointing and brick replacement in the middle, and liners or rebuilds at the top. Because so much of the township is the same few 1950s chimney designs, we can usually scope the likely work from a photo, and every job gets a written line-item price before anything starts. Estimates are free.
More than ever. Gas exhaust is cooler and wetter than the oil exhaust the flue was built for, so it condenses inside the oversized clay liner and slowly breaks down the tile joints and mortar. Census figures show 80 percent of occupied township homes now heat with utility gas and 5 percent with fuel oil, and a flue is not resized automatically when the fuel changes. A camera inspection shows whether yours needs a properly sized stainless liner.
When a furnace is replaced with a high-efficiency unit that vents out the sidewall, the water heater is often left venting alone into a masonry flue sized for both appliances. Its small exhaust cannot keep that much flue warm, condensation takes over, and the chimney deteriorates from the inside. The fix is a liner sized to the water heater, and replacing the furnace is also one of the cases where New Jersey's form UCC F370 applies to the chimney.
Census figures put the median township home at 1962 and 70 percent of homes before 1980, so many chimneys still carry their original crowns, mortar joints, dampers, and clay liners, which are the parts that wear first. The brick structure often outlasts them. Catching a failing crown or receding joints early is the difference between a modest repair and a rebuild.
Yes. Woodbridge proper, Iselin, Colonia, Fords, Avenel, Sewaren, Port Reading, Hopelawn, and Keasbey are all in our service area, along with neighboring towns including Edison, Metuchen, Carteret, Perth Amboy, Rahway, and Sayreville. They are all one municipality, so the same township construction office answers permit questions in every section.
Often. CSIA lists the sale or transfer of a property among the reasons for a Level 2 inspection, which adds accessible attics, crawl spaces, and basements to the basic check and may include a video scan of the flue. With 70 percent of township homes built before 1980, many listings carry older liners, so documenting the chimney before attorney review gives both sides something concrete to work from.
Usually not you alone. Renters should ask the landlord or managing agent, since the chimney belongs to the building. Condo and townhouse owners should check the association's documents for whether the chimney, chase, and cap are common elements. Detached houses are only 43 percent of Avenel's housing in Census figures, so this comes up often.
About 19 percent of the township lies in FEMA flood hazard areas. If water reached the furnace, water heater, or chimney base, yes: CSIA lists an external event likely to have damaged the chimney as a Level II trigger, and replacing a flooded gas or oil appliance brings in form UCC F370.
Woodbridge Township and neighboring towns. If the fix is outside our trade, we tell you up front.