Roofing & chimney contractor · Licensed & insured · Free estimates Cliffside Park, NJ Mon – Sat: 9:00 AM – 8:00 PM njassetconstruction@gmail.com

Chimney Repair · Hackettstown, Warren County

Chimney Repair in Hackettstown, NJ

Hackettstown's chimneys come in two very different types.

  • Licensed & insured
  • Free written estimates
  • Mon – Sat: 9:00 AM – 8:00 PM
  • Based in Cliffside Park, NJ

Chimney Repair for Hackettstown chimneys

Hackettstown's chimneys come in two very different types. The Victorian-era homes near Main Street have tall brick chimneys laid in soft lime mortar, often with multiple flues from old coal and oil heating, and they have weathered well over a century of Musconetcong valley winters. The 1960s through 1990s development homes have either masonry fireplaces built with modern mortar or prefabricated metal fireplaces inside framed chases with sheet-metal covers.

Asset Roofing & Chimney inspects, cleans, repairs, relines and rebuilds chimneys of both types throughout Hackettstown. We rebuild crowns, install caps, repoint and waterproof masonry, replace chase covers, rebuild flashing and install stainless-steel liners for fireplaces, stoves and heating appliances. We are licensed and insured, and estimates are free.

Hackettstown housing

Hackettstown's housing divides between the Victorian and early-1900s homes of the downtown blocks, with steep roofs, dormers and tall brick chimneys, and the 1960s through 1990s colonials, split-levels and ranches of the surrounding developments. Main Street carries brick commercial buildings with flat roofs. Asphalt shingle dominates the houses, and prefab metal fireplaces are common in the later developments.

Weather & exposure

The Musconetcong valley holds cold air and moisture, and winters bring sustained snow cover and freeze-thaw cycling. Downtown roofs are somewhat sheltered, while development homes on the slopes above face wind and ice. Mature trees shade older streets and drop limbs in summer thunderstorms, and flat commercial roofs must handle snow load and rapid meltwater.

Technician on a ladder inspecting a brick chimney
Asset crew at work. Photos are from our own jobs across North New Jersey.

Repair, repoint or rebuild in Hackettstown

On older Hackettstown chimneys, the priority is stopping water entry. We repoint open joints with a mortar matched to the softness of the brick, rebuild the crown, install a cap and apply a breathable water repellent. If the upper courses are badly spalled or loose, we rebuild from a sound course up and match the brick as closely as possible. Any flue serving a heating appliance or fireplace should be inspected and lined to suit the current use.

On development homes with prefab fireplaces, we replace rusted chase covers with properly sloped, sealed covers, reseal the storm collar and check the chase framing and flashing for water damage. For masonry fireplaces from the same era, the usual needs are crown repair, a cap and flashing work at the roofline.

Hackettstown Specifics

Chimney problems we see in Hackettstown

Eroded lime mortar on Victorian chimneys

Old downtown chimneys were laid with lime mortar that softens and washes out through decades of freeze-thaw. Open joints let water into the stack, and the top courses loosen first. Repointing with a compatible mortar is essential.

Rusted chase covers on prefab fireplaces

1980s and 1990s homes with factory fireplaces have sheet-metal chase covers that rust, pond water and leak into the wood-framed chase. The damage stays hidden until the siding or interior wall shows staining.

Cracked crowns after valley winters

Crowns on both old and newer masonry chimneys crack under repeated freeze-thaw. Water enters, freezes and widens the cracks, then soaks the flue and brick below. A rebuilt crown with overhang and drip edge stops the cycle.

Flues converted between fuels

Older homes have flues that served coal, then oil, then gas. Each change left the flue oversized or deteriorated for the current appliance. Corrosive condensation damages the masonry from inside.

Flashing on tall, exposed chimneys

Tall brick chimneys on steep Victorian roofs have counter flashing let into mortar joints that have eroded. The metal loosens and water runs behind the step flashing into the attic.

FAQ

Chimney Repair in Hackettstown: your questions

How do I know if my old chimney needs repointing or a rebuild?

If the mortar joints are recessed and crumbling but the brick is sound and the chimney is straight, repointing and a new crown are usually enough. If brick faces are popping off, the top courses are loose or the stack leans, a partial rebuild is the lasting fix. We inspect and explain which applies.

There is a stain on the wall next to my 1980s fireplace. What is happening?

On homes with a framed chimney chase, that stain often comes from a rusted or ponding chase cover leaking into the chase, or from failed flashing where the chase meets the roof. We inspect both and repair the source before the framing suffers further damage.

Should my gas furnace flue be lined?

If the furnace vents into an older masonry flue, often yes. Modern gas appliances produce cooler, wetter exhaust that condenses in an oversized flue and damages the masonry. A correctly sized liner solves the problem and improves draft.

Do you repair the chimney flashing as well as the masonry?

Yes. We are roofers as well as chimney contractors, so we rebuild step and counter flashing in metal and integrate it with the shingles. On tall Victorian chimneys the flashing is often the actual leak source, and we address it along with the masonry.

Nearby

Chimney Repair near Hackettstown

We serve every town in Warren County. Nearby towns with their own chimney repair page are linked.

Special offers

Current deals & promotions

All offers and terms
  • 5% Off

    Senior Discount: 5% Off

    Homeowners 65 and over save 5% on roofing and chimney work. Just mention it when you call or send the form.

    Code SENIOR5 Ongoing
    Get a Free Estimate
    Terms

    Homeowner must be 65 or older. Discount up to $750 per project. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $250 Off

    $250 Off a Chimney Rebuild or Stainless Liner

    Save $250 on a chimney rebuild from the roofline up or a new stainless steel liner installation. Both include a written inspection report with photos.

    Code CHIMNEY250 Ends Dec 31, 2026
    Request Chimney Service
    Terms

    Applies to chimney rebuilds and full liner installations. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • 10% Off

    Veterans, Active Military & First Responders: 10% Off

    Thank you for your service. Veterans, active-duty military, police, firefighters and EMS receive 10% off any roofing or chimney job, repair or replacement.

    Code SERVICE10 Ongoing
    Claim Your Discount
    Terms

    Valid ID or proof of service required. Discount up to $1,500 per project. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $1,000 Off

    $1,000 Off Your First Roof Replacement

    New customers save $1,000 on a complete roof replacement, shingle or flat. Includes tear-off, new underlayment, flashing and a full clean-up, with the price in writing before we start.

    Code NEWROOF1000 Ends Dec 31, 2026
    Get a Replacement Estimate
    Terms

    New customers only. Applies to full roof replacements. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $200 Off

    Storm Damage Special: $200 Off Repairs

    After a nor'easter or wind storm, we document the damage for your insurance claim and take $200 off the repair. Call as soon as you notice missing shingles or a leak.

    Code STORM200 Ends Apr 30, 2027
    Request Storm Damage Repair
    Terms

    Applies to storm-related roof repairs of $1,000 or more. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $100 Reward

    Refer a Neighbor, Get $100

    Know someone who needs a roof or chimney? When they sign a contract with Asset, you receive $100 and they get a free inspection report with photos.

    Code NEIGHBOR100 Ongoing
    Refer Someone
    Terms

    Reward paid after the referred project is completed and paid in full. Referrer must be named before the estimate. No limit on referrals.

Free Estimates · Licensed & Insured

Ready to schedule chimney repair in Hackettstown?

Tell us what you are seeing. We will come out, take a look, explain what we find, and give you a free written estimate. No pressure.

Request Chimney Service (201) 727-3113

Mon – Sat: 9:00 AM – 8:00 PM