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 Liner & Rebuild Across Randolph
A chimney liner replacement in Randolph typically runs $2,800-$5,200 for a standard single-flue stainless steel system, and most partial rebuilds start around $1,400 and climb based on how many courses of brick come down. You’ll get an exact number before any work begins, and the camera footage to back it up. If you’re in Randolph and suspect your liner is failing, call (781) 277-4630. Wendell Pike and his crew have been inside enough Randolph flues to know what your house is hiding.
Randolph isn’t a town where you guess at chimney problems. The housing stock tells a story, and we know it well. Cape Cods and split-levels off North Main, ranches tucked behind the old Shaw’s plaza, colonials near the high school. Most were built between 1950 and 1975, which means most still carry the original terracotta tile liners sized for oil burners that are long gone. When the town converted to gas, the flues stayed the same size. That mismatch is the root of half the chimney trouble we see here.
Why Top Hat Chimney Is Randolph’s Preferred Chimney Liner & Rebuild Company
Wendell founded Top Hat Chimney in 1999, and he’s worked the same route through Randolph, Holbrook, and Canton ever since. When he shows up at a raised ranch off Chestnut Street or a Cape over by the Rte. 24 side, he’s likely swept a half-dozen chimneys on that same block over the years. That’s the kind of local knowledge you can’t get from a toll-free number and a rotating crew.
Our Chimney Liner & Rebuild team answers the phone with a live person, twenty-four hours a day. Not a call center. It might be Wendell himself at 6 a.m. or 11 p.m. You’ll get an honest read on whether you need a full liner replacement or a cleaning and inspection, and the price quoted on the phone is the price on the invoice. Every job carries the 90-Day Done Right Promise in writing. If it isn’t right, one call brings the crew back at no charge.
Randolph homeowners have been burned before. National franchises quote one number, send a stranger, then hand over a different invoice at the door. We hear it constantly. That doesn’t happen here. Wendell puts his name and license number on every job, and you’ll probably run into him at the hardware store on North Main in a few weeks anyway. That’s the whole point of hiring local.
Our Chimney Liner & Rebuild Services in Randolph
Stainless Steel Liner
This is the workhorse fix for Randolph’s oil-to-gas conversion problem. The original 8×12 clay tiles were built for a 150,000 BTU oil burner. A modern 60,000 BTU gas boiler vents into that oversized flue and the exhaust cools too fast. Condensation forms, acids eat the mortar, and the tiles start spalling. We install a properly sized stainless steel liner, usually a DuraFlex or Copperfield system, and the draft returns to what the appliance needs. No more condensation, no more acid attack.

Flexible Liner
Not every chimney in Randolph is a straight shot. Older Capes with eyebrow dormers or quirky offsets from decades of renovation need a liner that follows the path. Flexible stainless steel liners make that possible without opening up walls or rebuilding the whole stack. We’ve run them through tight 5-inch offsets in chimneys serving gas furnaces and water heaters all over town. If the flue can be relined, we’ll tell you. If it can’t, we’ll show you on camera why not.

Liner Replacement
When the old terracotta is cracked, spalled, or missing sections entirely, the fix is a liner replacement. Not a patch. In Randolph, we regularly see flues where the freeze-thaw cycling of a Norfolk County winter has pushed tile sections out of alignment, leaving gaps where heat and carbon monoxide can migrate into the house. A replacement liner restores a continuous, insulated path from appliance to chimney top. We size it to the current appliance, not the one from 1963.

Partial Rebuild
Sometimes the liner is one part of the problem and the brickwork above the roofline is another. Randolph’s inland freeze-thaw is harder on exposed masonry than what you’d see in coastal towns like Quincy. Mortar joints crack, bricks pop, water gets in, and the damage works downward. A partial rebuild takes down the deteriorated courses and rebuilds them with proper flashing and a poured or precast crown. When paired with a new liner, it means the whole system works as one unit, not a patchwork.

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 Randolph
We stock and install liners from DuraFlex, Copperfield, and HeatShield because these are the systems we’ve watched hold up in New England conditions year after year. When a Randolph customer needs a replacement part, we don’t order it from somewhere else and wait. We carry common sizes and components on the truck, which means the job gets done in one visit instead of two or three. If your existing liner was installed by another company and it’s failing, we service those too.
Common Chimney Liner & Rebuild Problems We See in Randolph Homes
- Oil-era tiles left in place after gas conversion. The flue is oversized for the appliance, exhaust cools too quickly, and condensation starts eating the mortar between tiles. Black streaking on the brick is the earliest visible symptom.
- Freeze-thaw damage from Randolph’s inland climate. Unlike Braintree or Weymouth, where the ocean moderates temperature swings, Randolph gets hard freezes all winter. Water in cracked mortar expands and contracts through dozens of cycles, displacing tile sections and creating hidden blockages.
- Flues passing a basic visual but failing under camera scope. A flashlight up the flue might look okay. The camera shows the gaps. We never recommend a liner replacement in Randolph without showing you the footage first.
- Cosmetic streaking mistaken for a non-issue. That black staining on your chimney isn’t just soot. It’s condensation carrying acid through the brick. By the time it’s visible on the outside, the liner inside is usually already compromised.
Pricing for Chimney Liner & Rebuild in Randolph, MA
Here’s what you should expect to pay in Randolph. A stainless steel liner replacement for a single-flue chimney runs $2,800 to $5,200, depending on chimney height, flue size, and access. Flexible liner installations fall in the same range when access is straightforward. Partial rebuilds start around $1,400 for the first few courses of brick and go up from there based on how much masonry needs to come down and whether the crown gets replaced. A full chimney rebuild from the roofline up generally starts at $6,500 and climbs with height and material choices.
Three things drive cost: how tall the chimney is, whether the flue is straight or offset, and whether the brickwork above the roof needs work too. We give a flat price before anything starts. No trip charge inside the county. $40 off any repair over $200, and a 10% discount for seniors and veterans. If you’ve got a written estimate from another company, bring it. Wendell will give you a second opinion for free.
We Also Serve Cities Near Randolph
Top Hat Chimney serves homeowners across the southern Norfolk County area. In addition to Chimney Liner & Rebuild in Randolph, we cover Holbrook, Canton, Milton, and Quincy. Same crew, same camera-first inspection, same upfront price. Call (781) 277-4630 and we’ll get you on the schedule.
Serving Randolph, MA - Our Local Coverage Area
We’re based in the Randolph 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 Liner & Rebuild in Randolph
The answer comes from a camera, not a guess. If your Randolph Cape still has the original terracotta tile liner and you’ve converted to gas, the liner is almost certainly oversized for the appliance, which means condensation has been working on those tiles for years. A cleaning removes creosote. It does not repair cracked or displaced tile. If the camera shows gaps, spalling, or missing sections, you need a liner replacement. If the flue is intact and properly sized, a sweep is all you need. We’ll show you the footage either way. Call (781) 277-4630 to book an inspection.
Black streaking on Randolph chimneys is condensation staining, not signs of a recent fire. When a raised ranch built in the 1960s or 1970s converted from oil to natural gas, the oversized original flue started cooling exhaust gases too quickly. The resulting condensation carries acidic residue through tiny gaps in the mortar and brick, leaving dark streaks on the outside. It looks cosmetic, but it signals active liner deterioration inside. The fix is a properly sized stainless steel liner. Call (781) 277-4630 and we’ll scope the flue to confirm what’s happening.
In many cases, it can be saved without a full rebuild. If the collapse is limited and the remaining clay tiles can be either removed or drilled out to accommodate a properly sized stainless steel liner, the chimney gets a full working life back. This is a common fix in Randolph’s mid-century housing stock. A full rebuild only becomes necessary when the brickwork itself is structurally compromised, usually from years of water intrusion and freeze-thaw damage. We’ll tell you honestly which category your chimney falls into, and we’ll show you the camera evidence behind that verdict. Call (781) 277-4630 for an assessment.
DuraFlex is a continuous stainless steel liner, typically 316L alloy, sized precisely to the BTU output of the gas furnace. It creates a new flue path inside the existing chimney. HeatShield is a ceramic coating applied to the inside of the old flue tiles, rebuilding them from within. For a Randolph split-level with a gas furnace that was originally oil, we usually recommend DuraFlex because it solves the oversized-flue problem directly by reducing the flue’s interior diameter to match the appliance. Call (781) 277-4630 and we’ll explain which makes sense for your house.
Once a year. Even if you don’t burn fires, the gas appliance is venting through that chimney all winter. An unlined or clay-tile-lined flue serving a modern gas furnace is collecting condensation by design. Each cycle of condensation and drying works the mortar joints a little looser. Yearly inspection catches displacement and spalling before it becomes a carbon monoxide risk or a full rebuild. Burn or no burn, once a year. Call (781) 277-4630 and we’ll get you on the inspection schedule for this heating season.
How Randolph’s Oil-to-Gas Conversions Created a Liner Crisis
Here’s what nobody tells you when you buy a house in Randolph. The postwar boom that filled this town with Cape Cods, ranches, and split-levels ran almost entirely on oil heat. Every one of those homes got a masonry chimney with a terracotta tile flue sized for a 150,000 BTU oil burner. The math worked fine in 1962. Then natural gas came through, and one by one, those oil burners came out and 60,000 BTU gas boilers went in.
Nobody touched the chimney. The flue stayed exactly as it was, built for an appliance two and a half times more powerful than the one now venting into it. Gas exhaust is cooler than oil exhaust. It rises slower, cools faster, and the moisture in it condenses inside that oversized flue. That condensate is mildly acidic, and it attacks the mortar joints between the terracotta tiles. Year after year, cycle after cycle. The tiles start spalling, shedding thin flakes that collect in the cleanout. The joints open up. The draft weakens. And the homeowner never knows, because the boiler keeps running and the smoke keeps rising. Until one day it doesn’t.
On a 1960s raised ranch off North Main Street, our crew opened the cleanout and found the original 8×12 clay tile liner had been serving a converted gas boiler for decades. The flue was full of first-degree creosote mixed with tile spalling and black acid streaking. We scoped the flue with a camera, showed the homeowner the cracked tiles on the spot, and installed a DuraFlex stainless steel liner sized to the 60,000 BTU appliance. The draft corrected immediately, and the condensation stopped for good. The homeowner told us he’d had two other companies out who never even opened the cleanout. That’s the difference between looking at a chimney and actually inspecting it.
This is why we run a camera down every Randolph flue before recommending anything. The industry’s worst upsell is telling a homeowner they need thousands of dollars of liner work without showing them a single frame of evidence. We show you the footage. If the tiles are intact and the flue is sized right, we’ll tell you it’s fine and charge you for a sweep, not a liner. If it’s failing, you’ll see it with your own eyes. Your flue doesn’t care how the fire looks. It cares how it breathes.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Randolph since 1999.





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