The short answer
Clifton homes usually need a new chimney liner after an oil-to-gas boiler conversion, a new heating appliance, or an inspection that finds a cracked or deteriorated flue. GoldenFlue's certified technicians inspect the chimney, size a liner to the appliance, and install a stainless steel or cast-in-place liner that vents exhaust safely.
A chimney liner is the inner channel that carries smoke and exhaust from your boiler, furnace, water heater, fireplace or stove up and out of the house. In many older Clifton homes, that channel is the original clay tile, or in some cases bare brick. Over decades, heat, moisture and acidic exhaust can crack the tile, wash out mortar joints and leave the flue the wrong size for the equipment now connected to it. GoldenFlue Chimney Services installs new liners for detached houses, semi-attached homes, rowhouses and small multifamily buildings in Clifton and nearby Staten Island neighborhoods. Our office in Bay Ridge, Brooklyn, is about three miles away, so Clifton is a regular part of our service area. Here is what liner work involves, when it is needed, and what to expect from the visit.
Why Clifton Chimneys Often Need New Liners
Much of Clifton's housing dates from a time when chimneys were built for coal or oil heat and lined with clay tile, if they were lined at all. Those flues were often sized for large, inefficient boilers. Today's heating equipment runs cooler and produces less exhaust volume, so an oversized flue can let exhaust cool too quickly, condense on the walls and draft poorly.
Fuel conversions are the most common trigger. When a New York City building converts its boiler from oil to gas, the chimney has to be evaluated as part of the work. A new liner is often needed because gas exhaust produces acidic condensate that can corrode a masonry flue from the inside. Left alone, that corrosion can loosen tile, crumble mortar and send debris down to the base of the chimney, where it can block the opening.
- Converting a boiler or furnace from oil to gas
- Replacing a boiler, furnace or water heater with a different model
- Adding a wood stove or fireplace insert
- Cracked, shifted or missing flue tiles found during an inspection
- Signs of condensation damage, such as stained walls, flaking masonry or debris at the cleanout
Liner Options We Install
The right liner depends on the appliance, the fuel and the shape and condition of the existing chimney. We match the liner diameter to the equipment's venting requirements instead of simply filling the old opening.
- Stainless steel liners: flexible or rigid round pipe that suits most gas and oil appliances, wood stoves and inserts. Flexible liners can follow slight offsets in older chimneys.
- Insulated stainless liners: used where extra insulation helps keep exhaust warm, improve draft and reduce condensation.
- Cast-in-place liners: a mortar mix formed inside the existing chimney, useful when the masonry needs added strength or the flue has an unusual shape.
- Liner caps and top plates: finish the installation at the top of the chimney to keep out rain, debris and animals.
How the Installation Works
Every liner job starts with an inspection. The NFPA 211 standard describes a Level 2 inspection for situations where the system changes, such as a new appliance or a switch of fuel. That includes a camera inspection of the flue's interior. Changes like these are exactly when a liner tends to come up, so we look at the full length of the flue, the connection to the appliance, the crown and the condition of the masonry.
Next, we confirm the flue size the appliance needs and pick the liner type. On installation day, our certified technicians protect the work area inside the home, clean the existing flue, and run the new liner from the top of the chimney down to the appliance connection. We then seal the top, connect and secure the bottom, and check that the system drafts properly. Before we leave, we walk you through what we found and what we did, with photos when they help.
Timing Around Heat Season
New York City's heat season runs from October 1 through May 31, when building owners must keep apartments heated to the city's minimum temperatures. If you own a multifamily building in Clifton, or rent out part of a two-family home, a liner problem in midwinter can turn into a heating problem for your tenants. Scheduling inspections and liner work in late spring or summer leaves room to finish before the boiler is needed again.
The NFPA 211 standard also calls for chimneys, fireplaces and vents to be inspected once a year. A yearly inspection is the simplest way to catch liner damage early, before it affects how your heating system vents.
Serving Clifton and Nearby Neighborhoods
Along with Clifton, we install chimney liners in Tompkinsville, Stapleton, Rosebank, Shore Acres and Park Hill. Whether your home is a detached frame house, a brick rowhouse or a small apartment building, we plan the work around the chimney you actually have.
More services in Clifton
- Chimney Sweep in Clifton
- Chimney Inspection in Clifton
- Chimney Repair in Clifton
- Air Duct Cleaning in Clifton