Understanding Steel Form Unit Fireplaces

What Are Steel Form Unit Fireplaces?

Steel form unit fireplaces are metal boxes that are designed to have air channels built around them. These metal structures act as the foundation for the firebox, protecting your home from heat and flames while directing smoke up and out of the chimney. They are required to have minimum masonry thickness for proper operation.

What are Signs of Wear and Tear on Steel Form Unit Boxes?

While they are durable, steel form unit fireplaces are not immune to wear and tear, especially with prolonged exposure to heat, moisture, and creosote buildup.

Rust and Corrosion:

Rust and corrosion occurs when moisture accumulates. Prolonged exposure to moisture weakens the firebox’s steel structure.

Heat Damage:

Though fireplaces are meant to get hot, prolonged exposure to high temperatures can warp or degrade the firebox’s steel, reducing its effectiveness.

Creosote Buildup:

Creosote is a highly flammable residue that accumulates after seasons of wood-burning, greatly increasing fire risk. You can avoid creosote buildups by having your chimney and fireplace inspected and cleaned yearly! 

Cracks or Holes:

Structural damage may allow heat and embers to escape, posing fire hazards. You should have your chimney and fireplace inspected yearly, especially if a recent storm may have caused damage to your home.

What are the Potential Hazards of Steel Form Unit Fireplaces?

When these problems are left unaddressed, they can lead to dangerous conditions:

  • Increased risk of house fires due to structural compromise or heat escape.

  • Escaping toxic gases, like carbon monoxide, into your home.

  • Deterioration of surrounding chimney materials, leading to costly repairs.

  • Reduced efficiency of your fireplace, causing uneven heating or smoke leakage.

  • Health hazards from exposure to soot, creosote, or mold growth from moisture infiltration.

Ye Olde Chimney Sweepe is here to ensure your fireplace operates properly and efficiently. Regular inspections and maintenance can catch these issues early and keep your home protected. 

Contact us today to schedule your next chimney service!

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