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Firebox Repair & Rebuilding

The chimney may be the lungs of your home, but the firebox is the heart of the hearth. Constructed with firebrick and cerfractory mortar to contain the heat inside the fireplace, it is more durable and heat-resistant than the standard chimney brickwork. However, continuous exposure to intense heat and corrosive combustion gases will eventually require firebox repair or rebuilding. Horizon Chimney Services has over three decades of experience in firebox repair and rebuilding for masonry and manufactured fireplaces in the eastern MA and RI areas.

Firebox Repair & rebuilding in Auburn MAFirebox Repair Vs. Rebuilding:

Firebox repair fixes minor damage, such as cracked mortar joints, spalling firebrick, and small gaps. It typically involves patching, tuckpointing, or replacing individual damaged bricks. On the other hand, firebox rebuilding is generally necessary when the bricks and refractory panels suffer extensive damage, such as significant cracking and crumbling, beyond repair. Rebuilding requires dismantling the existing firebox and constructing a new heat-resistant firebox, ensuring structural integrity and safety.

Common Reasons for Firebox Damage:

There are several causes of firebox damage, including:

  • Thermal Shock: When burning wood logs, rapid temperature fluctuations (heating and cooling) in the fireplace can result in thermal shock, causing the firebrick to crack.
  • Moisture Intrusion: Water leaks, such as from a damaged chimney cap or warped damper gasket, eventually weaken the brick and mortar, leading to deterioration.
  • Improper Fuel: Burning inappropriate materials, like Christmas trees, or overloading wood logs in the fireplace can generate extreme heat and corrosive gases that can damage the firebox. 
  • Lack of Maintenance: Neglecting annual chimney inspections and periodic firebox cleaning can damage the firebrick and mortar beyond repair, necessitating a complete rebuild to use the fireplace safely.

Signs Your Firebox Needs Repair or Rebuilding:

How can you tell if your firebox needs repair or rebuilding? Look for these red flags:

  • Visible cracks in the firebrick or mortar.
  • Crumbling or missing mortar joints.
  • Spalling or flaking firebrick.
  • Gaps or holes in the firebox walls.
  • Uneven or sagging firebox floor.
  • Smoke pours out of the fireplace and into the room.
  • Visible damage to the surrounding masonry.

At Horizon Chimney Services, we understand the importance of a safe and functional fireplace. Our highly skilled certified chimney professionals are among the best in the business. They are fully dedicated to providing expert firebox repair and rebuilding services, ensuring your hearth operates efficiently. We follow the National Fire Protection Association (NFPA) industry standards and codes and hold a Massachusetts Construction Supervisors License, demonstrating our commitment to quality and professionalism.

How Much Does It Cost?

The cost of firebox repair or rebuilding varies significantly depending on the extent of the damage, the firebox’s size, and the materials required. Minor repairs may range from a few hundred dollars to over a thousand, while a complete rebuild can cost several thousands. It is always best to have a professional inspection and estimate.

Firebox Repair & Rebuilding Solutions in Medway MA

Why Rebuild When You Can Have A Brand New Firebox for Less?

Horizon is a factory-authorized installer of the HeatShield® PriorFire Fireplace System. With this innovative solution, we can quickly restore your fireplace and correct improper design problems. It also brings your fireplace up to local building codes and restores it to its peak level of safety and efficiency. PriorFire is UL-listed, eliminates fire hazards, and is safe for fireplaces with at least 4″ clearance from combustible materials.

Call Horizon for Expert Firebox Repair – Rebuilding – Installations

Horizon Chimney Services—Your Local Hearth Expert. For over thirty years, homeowners in Wellesley, Medway, Auburn, Cumberland, and surrounding areas have trusted Horizon Chimney Services for expert chimney inspections, sweeping, firebox repairs, rebuilding, and installation. We are committed to helping customers extend the lifespan of their chimneys and fireplaces. Contact us today for an inspection and estimate.