Mason-Lite 120" Regal Wood Burning Firebox Kit - MFP120-RGL
Create a stunning architectural centerpiece with the Mason-Lite 120" Regal Wood Burning Firebox Kit - MFP120-RGL, the largest and most impressive model in the Regal series. Designed for luxury residential and commercial spaces, this extra-large masonry fireplace kit delivers unmatched performance, durability, and timeless aesthetics.
Engineered with lightweight modular concrete, this high-performance wood burning firebox is up to 50% lighter than traditional masonry fireplaces, making installation faster and more efficient without compromising structural strength.
With its massive 120-inch opening width and 38.5-inch height, the Regal firebox offers a grand viewing area, perfect for creating a dramatic focal point indoors or outdoors. Built to meet UL127 and UL103 safety standards, it supports multi-story installations and combustible floor applications when properly installed.
The unit features EPA Phase II qualified PureBurn technology, delivering cleaner combustion, improved efficiency, and reduced emissions. Its superior thermal performance withstands temperatures up to 1700°F, ensuring long-lasting durability and reliable heat output.
Features
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Massive 120" Opening – Ideal for luxury residential and commercial installations
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Lightweight Masonry Construction – Up to 50% lighter than traditional fireplaces
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Triple 14" Class A UL103 Chimney Required – Designed for high-capacity venting
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EPA Phase II Qualified (PureBurn Technology) – Cleaner, more efficient burn
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High Heat Resistance – Withstands temperatures up to 1700°F
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UL127 & UL103 Tested and Listed – Meets strict safety standards
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Indoor & Outdoor Installation – Flexible placement options
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Multi-Story & Combustible Floor Approved – With proper installation
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Gas Log Compatible – Supports ANSI Z21.60 compliant gas log systems
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Customizable Interior Finish – Optional firebrick panels (herringbone or running bond)
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Limited Lifetime Warranty – Long-term reliability and peace of mind
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Made in the USA – Premium craftsmanship and materials
Specifications
| Specification |
Details |
| Model |
MFP120-RGL |
| Product Type |
Wood Burning Firebox Kit |
| Opening Size |
120" W x 38.5" H |
| Framing Width |
133-1/4" |
| Framing Height |
80-1/4" |
| Framing Depth |
30" |
| Fireplace Weight |
4,805 lbs |
| Floor Area |
25.14 sq. ft. |
| Chimney Requirement |
Triple 14" Class A UL103 |
| Metal Chimney Weight |
12 lbs per foot |
| Clearance to Combustibles |
2" |
| Fuel Type |
Wood (Gas Logs Optional) |
| Certification |
UL127, UL103 |
| Warranty |
Limited Lifetime |
Resources
