Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Repair Across Clifton
Chimney repair in Clifton usually falls into two buckets: the stuff you can see from the street (spalled brick, cracked crowns, bad flashing) and the stuff you can’t (liner breaches, shared wythe failures, flue gas leaking between units). We handle both, and we’re familiar with the particular headaches that come with Clifton’s dense blocks of 1940s and 1950s two-family homes. Wendell Pike founded Top Hat Chimney in 1999, and the crew that shows up at your door is our crew, not a subcontractor. Call (551) 368-8859 for a straight answer and a free estimate before you commit to anything.

Key takeaways:
- Clifton’s two-family homes often share one stack serving two flues. A leak in one unit’s liner can push exhaust into the neighbor’s living space.
- 60- to 80-year-old clay tile liners in Allwood, Athenia, and Richfield were sized for coal or oil, not today’s gas furnaces. That mismatch causes chronic condensation and flue damage.
- Most Clifton repairs run between $400 and $3,500 depending on scope. We quote a flat price before tools come off the truck.
- Every job gets a Level 2 camera scan. If you can’t see it on footage, you don’t pay for it.
Why Top Hat Chimney Is Clifton’s Preferred Chimney Repair Company
We’ve worked enough stacks in Clifton to know the housing stock. The two-family brick and frame homes packed across Allwood, Athenia, and Richfield were mostly built between 1940 and 1965. That means single or double-flue masonry chimneys with original clay tile liners now pushing 60 to 80 years old. Those liners were sized for oil or coal boilers. When the home converted to gas, the flue became oversized for the appliance’s BTU output. Chronic condensation follows. Acid etching. Spalled liner sections. That’s the pattern we see again and again in Clifton, and it’s why a routine sweep alone often isn’t the fix.
Wendell puts his name and license number on every job. He lives in the communities he works, and he runs into customers at the hardware store on Saturday. That changes how a repair gets done. The Chimney Repair team answers calls with a live person, around the clock. Not a voicemail box. You’ll get a real arrival window, and we call if it slips. The price you hear on the phone is the price on the invoice. That’s been the rule since 1999.
We don’t quote one number and change it at the door. We don’t send a stranger in a rented van. The sweep who shows up in Clifton works for Top Hat, wears a uniform, and is background-checked. And every job carries the 90-Day Done Right Promise in writing. If it’s not right, one call brings us back. No charge, no argument. That’s the whole promise. We also offer $40 off any repair over $200, a free second opinion on any competing written estimate, and 10% off for seniors and veterans. No trip charge for calls inside our service county.
We’re the local, owner-operated alternative to the national outfits that rotate crews through Passaic County every season. Ask anyone on your street. In Clifton, a chimney stack is often a shared asset between two households. That’s not a situation for a trainee with a checklist. It’s a job for someone who knows what a breached shared wythe looks like on camera.
Our Chimney Repair Services in Clifton
Mortar Repointing
Clifton’s freeze-thaw cycles do real damage to the upper courses of brick chimneys. Water gets into hairline mortar joints, freezes, expands, and pops the joint open. Over a few winters, what started as a hairline crack becomes a channel for water. Repointing in Clifton typically runs $800-$1,800 depending on stack height and accessibility. We cut out the failed mortar and pack in new material matched to your brick’s original composition. On two-family stacks, we check both flues at the crown before we point a single joint. A shared stack means both units need the work, or you’re doing half a repair.

Spalling Brick Repair
Spalling is what happens when brick absorbs water and then freezes. The face of the brick pops off, leaving a soft, crumbling surface. On Clifton’s 1940s brick chimneys, spalling at the upper courses is common, especially on the north side that never sees winter sun. Repair usually means cutting out the damaged brick, installing new units, and pointing the surrounding joints. Expect $1,200-$2,800 for a typical Clifton repair. If more than a third of the stack is spalled, you’re looking at partial rebuilding, which is a bigger conversation but often the smarter long-term move.

Chimney Waterproofing
Clifton sits close enough to the Passaic River lowlands that ground-level moisture wicks into foundations and chimney bases. That persistent damp accelerates deterioration at the firebox and smoke chamber level, even on chimneys that look fine from above. We apply a vapor-permeable waterproofing treatment, usually a siloxane-based product like Gelco’s, that lets the brick breathe while keeping water out. Waterproofing a typical Clifton chimney runs $600-$1,200. We do it after any repointing or brick replacement, never as a substitute for it. Waterproofing over failed mortar traps moisture inside. That makes the damage worse, not better.

Flashing Repair
Flashing is the metal that seals the joint where your chimney meets the roofline. On Clifton’s steep Cape Cod roofs and two-family rooflines, flashing gets battered by snow slides and ice damming. When flashing fails, water runs down the chimney chase and into the attic, the ceiling below, or both units if the stack is shared. Flashing repair in Clifton typically runs $500-$1,500 depending on roof pitch and how much of the existing flashing we can salvage. We install new step flashing, counter flashing, and seal the joint properly. A tube of roofing tar is not flashing repair. We’ve seen more than one Clifton owner pay for a tar job that failed in a season.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Clifton
We install and service liners and components from DuraFlex, Olympia Chimney, and Copperfield. When a Clifton two-family needs a new stainless liner in one or both flues, we stock the common sizes and can usually complete the job without a weeks-long wait for parts. For resurfacing of damaged clay tile liners, we use HeatShield. For waterproofing, Gelco. We pick brands that last because we’re the ones who stand behind the work for 90 days, in writing, on every single job. A Clifton customer shouldn’t have to care about brand specs. They should know that the liner we install will vent their gas furnace safely and pass a camera inspection. That’s what matters.
Common Chimney Repair Problems We See in Clifton Homes
- Shared flue cross-contamination in two-family homes. One stack, two flues, one shared wythe between them. A cracked wythe lets exhaust from the first-floor unit’s furnace drift into the second-floor flue, or vice versa. Both households breathe it. A basic sweep without a Level 2 camera scan misses this every time.
- Oversized clay tile liners etched by gas condensation. The 60-80-year-old liners in Clifton’s converted coal and oil chimneys are too big for modern gas Btu output. Chronic condensation etches the tile, spalling the liner from the inside. Flue gas leaks into the chase. Repointing the outside bricks won’t fix this. The liner needs resurfacing or replacement.
- Freeze-thaw joint failure at the crown and upper courses. Clifton winters cycle through freeze and thaw repeatedly. Water enters the crown or upper mortar joints, expands, and repeats the cycle until brick faces pop and joints open. This hits hardest where the two flues meet the wythe near the top of a shared stack.
- Firebox and smoke chamber damage from ground-level moisture. Proximity to the Passaic River lowlands keeps base-level moisture moving through Clifton’s chimney foundations. Firebrick in the firebox crumbles. Smoke chamber parging flakes. It looks worse than it sometimes is, but a camera inspection tells you the difference between a $400 patch and a $4,000 rebuild.
Pricing for Chimney Repair in Clifton, NJ
Real numbers, so you know what to expect before you call. A typical mortar repointing job in Clifton runs $800-$1,800. Spalling brick repair on a two-story stack: $1,200-$2,800. Chimney waterproofing: $600-$1,200. Flashing repair: $500-$1,500. Flue liner resurfacing with HeatShield: $1,800-$3,500 per flue. Stainless liner replacement with DuraFlex: $2,500-$4,500 depending on flue count and roofline access. A full chimney rebuild from the roofline up in Clifton can run $6,000-$14,000, but that’s rare. Most two-family stacks in Allwood and Richfield need repointing and liner work, not full rebuilds.
What changes the price is access. Tight Clifton streets, shared driveways, steep roof pitches, and double-flue stacks all add labor. We quote a flat price after we see the stack and run the camera. The number you hear on the phone is the number on the invoice. Call (551) 368-8859 for a free estimate.
We Also Serve Cities Near Clifton
If you’re across the border in Passaic, Garfield, Elmwood Park, or Saddle Brook, you’re still in our service area. We work those streets the same way we work Clifton’s. If you’re looking for Chimney Repair in Clifton or a few miles east or west, one call covers it. No trip charge inside the county.
Serving Clifton, NJ - Our Local Coverage Area
We’re based in the Clifton area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Chimney Repair in Clifton
The hard truth is you usually can’t, not without a camera. The signs are subtle: a faint sulfur or exhaust smell in your unit when the neighbor’s heat kicks on, unexplained headaches or nausea in one part of the house, soot staining near a wall that isn’t near your own appliance. A Level 2 camera inspection from our Clifton crew will show exactly what’s happening inside the shared stack. If you smell anything odd in your unit when the heat runs, call (551) 368-8859. Don’t wait. Carbon monoxide doesn’t announce itself.
Because the damage starts inside. Those chimneys were built with clay tile liners sized for coal or oil boilers. When the homes converted to gas, the oversized flue ran cooler. Modern gas appliances don’t put out the same volume of hot exhaust that coal did. That cooler flue gas condenses on the clay tile walls. The acid etches the tile. Over 60-80 years, the liner spalls from the inside out. The exterior brick looks fine. The liner is gone. A camera inspection is the only way to know. That’s why every repair quote from us includes one, no exception.
Winter in Clifton cycles through freeze and thaw repeatedly, sometimes every few days in January and February. Water enters the crown and upper mortar joints, freezes, expands, and opens the joint wider. On a shared stack, the top of the chimney is where the wythe between the two flues is thinnest and most exposed. Freeze-thaw damage opens that joint. Now water runs between the two flues, and exhaust can cross over. What started as a cosmetic mortar issue becomes a carbon monoxide pathway between two households. That’s why we check the shared wythe on every Clifton two-family repair, even if the call was just about loose brick.
It starts with a Level 2 camera scan. Always. Before any brick work, we run the camera up each flue to check for liner damage, breaches, and cross-flue problems. Then we look at what the camera found and tell you plainly what’s urgent and what can wait. Repointing alone fixes the exterior. It does nothing for a spalled liner or a breached wythe. In Allwood and Athenia, where the two-family stock is densest, we typically recommend liner evaluation alongside any exterior masonry work. If the liner is sound, repoint and move on. If it’s not, you need to know before you spend money on bricks that won’t change the safety picture.
Gas furnaces don’t create creosote. That’s a wood-burning problem. What gas does create is acidic condensation, which etches clay tile liners over decades. A chimney serving only a gas furnace in Clifton doesn’t need sweeping for creosote, but it absolutely needs a liner that can handle the exhaust without leaking. If the original clay tile liner is 60-plus years old and was sized for coal or oil, it’s a candidate for resurfacing with HeatShield or replacement with a DuraFlex stainless liner. The one exception: if the furnace vents into a flue that was previously used for wood and still has third-degree creosote glaze, that needs removal first. Creosote and gas exhaust don’t mix well.
Get an Honest Assessment of Your Clifton Chimney
A chimney problem rarely fixes itself. The loose brick you noticed in the spring will be a water channel by winter. The exhaust smell you noticed last week isn’t going to disappear. Our Clifton crew will show up, run a camera, and tell you what’s actually wrong. Some things can wait. Other things can’t. You’ll know which is which because you’ll see the footage yourself. Call (551) 368-8859 for a free estimate. Wendell or one of his crew will answer. That’s the way it’s worked since 1999.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Clifton and Passaic County since 1999.





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