Linear Indoor Fireplace

With an opening that is much wider than it is tall, the linear model blends old world and new world styles to create the perfect fireplace for modern designs.

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  • About
  • Specifications
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Linear Product Shot_with Chimney StackNEW! Indoor Linear Fireplace

Meet the newest pre-engineered masonry fireplace kit from FireRock - the linear fireplace. This fireplace, which is much wider than it is tall, blends old and new world styles for an option that is both traditional and strikingly modern. In addition, as with our other firebox models, it has a radius lintel and a 15" flue (compared to the leading competitor's 13") for improved smoke draw performance 

Our Linear model is compatible with either masonry chimneys or UL 103 metal chimney systems.

  • Available sizes: 60" and 72"
  • Double chimney required; accommodates FireRock masonry chimney or approved metal chimney system (UL 103)
  • Compliances: UL-127, ANSI Z21.60
  • Accommodates FireRock masonry fireplace or approved metal chimney system
  • 1" clearance to combustibles around firebox unit and smoke chamber; additional hearth protection required
  • Easy purchase ability from our national network of distributors

Design & Customization

All FireRock indoor models can be used indoors or outdoors and can accommodate practically any veneer, mantle or surround. Popular indoor options include marble, ledgestone, wood, brick and stone veneer. Popular outdoor options include man-made stone or sliced natural stone. For ideas and inspiration on how to customize your surround, click here.

Additional customization comes with your firebrick selection. FireRock firebrick comes in two colors - red and buff - and two thicknesses to accommodate a variety of firebrick patterns to finish out your personal taste.


FireRock Linear Model Dimensions

Dimensions do not include firebrick lining. Chimney diameter dimensions are for refractory masonry chimney and UL 103 listed metal chimney.

Model Size

Overall Width

Overall Depth

Overall Height

Firebox Opening Width

Firebox Opening Height

Masonry Chimney Diameter (in.)

Metal Chimney Diameter (in.)

Approximate Weight (lbs.)

Minimum Installed Height (ft)

Maximum Installed Height (ft)









2,665 lbs











2,825 lbs




Minimum Clearance to Combustibles

Opening to Sidewall: 32"

Opening to Combustible Trim: 12"

Opening to Mantel with 8" Depth: 16"

Noncombustible Hearth Extension:

- Flush Hearth - 32" in front, 8" each side of opening

- Raised (>12") - 20" in front, 8" each side of opening

Firebox and Smoke Chamber to Combustibles or Framing: 1"

Smoke Chamber to Front Wall and Smoke Chamber Top to Wood Framing: 1"

Approvals & Certifications

UL 127 approved and certified for indoor or outdoor use

Approved for use with gas-starters and outside air kits

Not sure what direction you want to take with your next project? Contact us to learn from our experts.

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