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Mason-Lite

Mason-Lite modular masonry fireplaces from Masonry Fireplace Industries in Riverside, California. Each firebox is a kit of interlocking lightweight concrete pieces, made with pumice aggregate, that a mason mortars together on site. The result is a real masonry firebox for indoor or outdoor use without hand-building one brick by brick.

Line Models Fuel and venting
Standard fireboxes MFP33, MFP39, MFP44, MFP49, MFP63, MFPST43 see-through, MFP75 Wood or gas logs; 12" to 16" Class A chimney or Mason-Lite masonry chimney
Regal 72", 84", 96", 108", 120" wide, 37.5" tall Wood; two or three Class A flues
B-vent gas MGFP39, MGFP44, MGFP49, MGFPST43 Gas with burner and logs included; 10" or 12" B-vent
Vent-free MFP39VF, MFP44VF, MFP49VF, MFPST43VF, LMFP-VF linear Vent-free gas logs or burner; no chimney
Linear gas LMFP with burner trough, LMFP-NT no trough, 36" to 120" Gas; one or two 12" B-vents
Outdoor kitchen Toscana MPO-18 and Golia MPO-24 pizza ovens Wood, outdoor only

Firebrick panels, height kits, dampers, metal bases, combustion air kits and the Mason-Lite masonry chimney are listed below the fireboxes. The guide under the products covers how to choose and what to order with each unit.

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Mason-Lite 33" Standard Wood Burning or Gas Firebox Kit - MFP33

Mason-Lite
Original price $3,447.00 - Original price $3,447.00
Original price
$3,447.00
$3,447.00 - $3,447.00
Current price $3,447.00
In stock

Mason-Lite 33" Standard Wood Burning or Gas Firebox Kit - MFP33 The Mason-Lite MFP33 is a 33" modular masonry firebox kit for wood burning or gas l...

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Mason-Lite 39" Standard Wood Burning or Gas Firebox Kit - MFP39

Mason-Lite
Original price $4,668.00 - Original price $4,668.00
Original price
$4,668.00
$4,668.00 - $4,668.00
Current price $4,668.00
In stock

Mason-Lite 39" Standard Wood Burning or Gas Firebox Kit - MFP39 The Mason-Lite MFP39 is a 39" modular masonry firebox kit for wood burning or gas l...

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Mason-Lite 44" Standard Wood Burning or Gas Firebox Kit - MFP44

Mason-Lite
Original price $5,057.00 - Original price $5,057.00
Original price
$5,057.00
$5,057.00 - $5,057.00
Current price $5,057.00
In stock

Mason-Lite 44" Standard Wood Burning or Gas Firebox Kit - MFP44 The Mason-Lite MFP44 is a 44" modular masonry firebox kit for wood burning or gas l...

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Mason-Lite 49" Standard Wood Burning or Gas Firebox Kit - MFP49

Mason-Lite
Original price $5,450.00 - Original price $5,450.00
Original price
$5,450.00
$5,450.00 - $5,450.00
Current price $5,450.00
In stock

Mason-Lite 49" Standard Wood Burning or Gas Firebox Kit - MFP49 The Mason-Lite MFP49 is a 49" modular masonry firebox kit for wood burning or gas l...

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Mason-Lite 63" Standard Wood Burning or Gas Firebox Kit - MFP63

Mason-Lite
Original price $8,031.00 - Original price $8,031.00
Original price
$8,031.00
$8,031.00 - $8,031.00
Current price $8,031.00
In stock

Mason-Lite 63" Standard Wood Burning or Gas Firebox Kit - MFP63 The Mason-Lite MFP63 is a 63" modular masonry firebox kit for wood burning or gas l...

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Mason-Lite 43" Standard See-Through Wood Burning or Gas Firebox Kit - MFPST43

Mason-Lite
Original price $6,061.00 - Original price $6,061.00
Original price
$6,061.00
$6,061.00 - $6,061.00
Current price $6,061.00
In stock

Mason-Lite 43" Standard See-Through Wood Burning or Gas Firebox Kit - MFPST43 The Mason-Lite MFPST43 is a 43" see-through modular masonry firebox k...

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Mason-Lite 75" Standard Wood Burning or Gas Firebox Kit - MFP75

Mason-Lite
Original price $11,698.00 - Original price $11,698.00
Original price
$11,698.00
$11,698.00 - $11,698.00
Current price $11,698.00
In stock

Mason-Lite 75" Standard Wood Burning or Gas Firebox Kit - MFP75 The Mason-Lite MFP75 is a 75" semi-custom modular masonry firebox kit for wood burn...

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Mason-Lite 72" Regal Wood Burning Firebox Kit - MFP72-RGL

Mason-Lite
Original price $11,433.00 - Original price $11,433.00
Original price
$11,433.00
$11,433.00 - $11,433.00
Current price $11,433.00
In stock

Mason-Lite 72" Regal Wood Burning Firebox Kit - MFP72-RGL The Mason-Lite Regal MFP72-RGL is a 72" wide, 37.5" tall wood-burning masonry firebox kit...

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Mason-Lite 84" Regal Wood Burning Firebox Kit - MFP84-RGL

Mason-Lite
Original price $13,340.00 - Original price $13,340.00
Original price
$13,340.00
$13,340.00 - $13,340.00
Current price $13,340.00
In stock

Mason-Lite 84" Regal Wood Burning Firebox Kit - MFP84-RGL The Mason-Lite Regal MFP84-RGL is an 84" wide, 37.5" tall wood-burning masonry firebox ki...

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Mason-Lite 96" Regal Wood Burning Firebox Kit - MFP96-RGL

Mason-Lite
Original price $15,246.00 - Original price $15,246.00
Original price
$15,246.00
$15,246.00 - $15,246.00
Current price $15,246.00
In stock

Mason-Lite 96" Regal Wood Burning Firebox Kit - MFP96-RGL The Mason-Lite Regal MFP96-RGL is a 96" wide, 37.5" tall wood-burning masonry firebox kit...

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Mason-Lite 108" Regal Wood Burning Firebox Kit - MFP108-RGL

Mason-Lite
Original price $17,151.00 - Original price $17,151.00
Original price
$17,151.00
$17,151.00 - $17,151.00
Current price $17,151.00
In stock

Mason-Lite 108" Regal Wood Burning Firebox Kit - MFP108-RGL The Mason-Lite Regal MFP108-RGL is a 108" wide, 37.5" tall wood-burning masonry firebox...

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Mason-Lite 120" Regal Wood Burning Firebox Kit - MFP120-RGL

Mason-Lite
Original price $19,057.00 - Original price $19,057.00
Original price
$19,057.00
$19,057.00 - $19,057.00
Current price $19,057.00
In stock

Mason-Lite 120" Regal Wood Burning Firebox Kit - MFP120-RGL The Mason-Lite Regal MFP120-RGL is a 120" wide, 37.5" tall wood-burning masonry firebox...

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Mason-Lite Linear Gas Fireplace (with Burner Trough) – 12" B-Vent

Mason-Lite
Original price $8,291.00 - Original price $25,098.00
Original price
$8,291.00 - $25,098.00
$8,291.00 - $25,098.00
Current price $8,291.00
In stock

Mason-Lite Linear Gas Fireplace (with Burner Trough) – 12" B-Vent The Mason-Lite LMFP linear gas fireplaces have a recessed burner trough that conc...

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Mason-Lite Linear Gas Fireplace (No Trough) – 12" B-Vent

Mason-Lite
Original price $7,493.00 - Original price $22,636.00
Original price
$7,493.00 - $22,636.00
$7,493.00 - $22,636.00
Current price $7,493.00
In stock

Mason-Lite Linear Gas Fireplace (No Trough) – 12" B-Vent The Mason-Lite LMFP-NT linear gas fireplaces are flush-hearth (no trough) masonry fireboxe...

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Mason-Lite Linear Vent Free Gas Fireplace (with Burner Trough)

Mason-Lite
Original price $4,514.00 - Original price $8,261.00
Original price
$4,514.00 - $8,261.00
$4,514.00 - $8,261.00
Current price $4,514.00
In stock

Mason-Lite Linear Vent Free Gas Fireplace (with Burner Trough) The Mason-Lite LMFP-VF linear vent-free fireplaces are masonry fireboxes with a burn...

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Mason-Lite 39" Gas B-Vent Firebox Kit - MGFP39

Mason-Lite
Original price $9,367.00 - Original price $9,367.00
Original price
$9,367.00
$9,367.00 - $9,367.00
Current price $9,367.00
In stock

Mason-Lite 39" Gas B-Vent Firebox Kit - MGFP39 The Mason-Lite MGFP39 is a 39" gas-only masonry fireplace kit that vents through 10" B-vent. It come...

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Mason-Lite 44" Gas B-Vent Firebox Kit - MGFP44

Mason-Lite
Original price $10,269.00 - Original price $10,269.00
Original price
$10,269.00
$10,269.00 - $10,269.00
Current price $10,269.00
In stock

Mason-Lite 44" Gas B-Vent Firebox Kit - MGFP44 The Mason-Lite MGFP44 is a 44" gas-only masonry fireplace kit that vents through 10" B-vent. It come...

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Mason-Lite 49" Gas B-Vent Firebox Kit - MGFP49

Mason-Lite
Original price $11,257.00 - Original price $11,257.00
Original price
$11,257.00
$11,257.00 - $11,257.00
Current price $11,257.00
In stock

Mason-Lite 49" Gas B-Vent Firebox Kit - MGFP49 The Mason-Lite MGFP49 is a 49" gas-only masonry fireplace kit that vents through 10" B-vent. It come...

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Mason-Lite 43" See-Thru Gas B-Vent Firebox Kit - MGFPST43

Mason-Lite
Original price $12,361.00 - Original price $12,361.00
Original price
$12,361.00
$12,361.00 - $12,361.00
Current price $12,361.00
In stock

Mason-Lite 43" See-Thru Gas B-Vent Firebox Kit - MGFPST43 The Mason-Lite MGFPST43 is a 43" see-through gas-only masonry fireplace kit, open on both...

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Mason-Lite 39" Gas Vent Free Firebox Kit - MFP39VF

Mason-Lite
Original price $3,533.00 - Original price $3,533.00
Original price
$3,533.00
$3,533.00 - $3,533.00
Current price $3,533.00
In stock

Mason-Lite 39" Gas Vent Free Firebox Kit - MFP39VF The Mason-Lite MFP39VF is a 39" vent-free masonry firebox kit, with T-bar included, for gas logs...

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Mason-Lite 44" Gas Vent Free Firebox Kit - MFP44VF

Mason-Lite
Original price $4,013.00 - Original price $4,013.00
Original price
$4,013.00
$4,013.00 - $4,013.00
Current price $4,013.00
In stock

Mason-Lite 44" Gas Vent Free Firebox Kit - MFP44VF The Mason-Lite MFP44VF is a 44" vent-free masonry firebox kit, with T-bar included, for gas logs...

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Mason-Lite 49" Gas Vent Free Firebox Kit - MFP49VF

Mason-Lite
Original price $4,463.00 - Original price $4,463.00
Original price
$4,463.00
$4,463.00 - $4,463.00
Current price $4,463.00
In stock

Mason-Lite 49" Gas Vent Free Firebox Kit - MFP49VF The Mason-Lite MFP49VF is a 49" vent-free masonry firebox kit, with T-bar included, for gas logs...

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Mason-Lite 43" See-Thru Gas Vent Free Firebox Kit - MFPST43VF

Mason-Lite
Original price $4,386.00 - Original price $4,386.00
Original price
$4,386.00
$4,386.00 - $4,386.00
Current price $4,386.00
In stock

Mason-Lite 43" See-Thru Gas Vent Free Firebox Kit - MFPST43VF The Mason-Lite MFPST43VF is a 43" see-through vent-free masonry firebox kit, with T-b...

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Mason-Lite 18" Toscana Pizza Oven

Mason-Lite
Original price $2,811.00 - Original price $2,811.00
Original price
$2,811.00
$2,811.00 - $2,811.00
Current price $2,811.00
In stock

Mason-Lite 18" Toscana Pizza Oven The Mason-Lite Toscana MPO-18 is an outdoor wood-fired pizza oven with an 18" opening. It is a precast refractory...

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Choosing a Mason-Lite fireplace

Wood, B-vent gas or vent-free

The standard and Regal fireboxes burn wood and need a Class A (UL 103) metal chimney or the Mason-Lite masonry chimney; the standard sizes also take gas logs, and the PureBurn gas-assisted grate makes them EPA Phase II qualified. The MGFP B-vent models are gas-only, ship with the burner and logs, and vent through smaller B-vent pipe with 0" clearance to combustibles. The vent-free fireboxes need no chimney at all, but indoor vent-free fireplaces are not allowed in every jurisdiction.

Sizes and openings

Standard sizes are named by raw box width: lined with firebrick, the finished opening is 3" narrower, from 30" W on the MFP33 to 60" W on the MFP63. Regal and linear sizes are named by the finished opening. A height kit adds 8" of opening height to the standard sizes.

What to order with a firebox

Every firebox has to be lined with firebrick, either Mason-Lite brick panels (standard and see-through sizes) or hand-laid firebrick. Indoor wood-burning units also need a damper: a steel throat damper, a cast iron damper or an anchor plate/damper from the chimney maker. Add a structural metal base for a wood floor and a combustion air kit where code calls for outside air. Each product page lists what fits that model.

Mason-Lite FAQs

Can a Mason-Lite fireplace go on a wood floor or a second story?

Yes. Mason-Lite fireboxes are approved for multi-story and combustible floor installations with the Mason-Lite structural metal base or structural concrete block under the unit. Mason-Lite recommends having a structural engineer review any wood floor installation.

Do I need firebrick inside the firebox?

Yes. The firebox must be lined. Mason-Lite brick panels install in about 20 minutes and come in split herringbone, split running bond and full running bond patterns in gold, cream or black; a mason can also hand-lay firebrick. Panels are not made for the Regal, linear or MFP75 models.

What chimney does a wood-burning Mason-Lite use?

A UL 103 Class A metal chimney sized to the model (12" on the MFP33, MFP39 and MFP44, 14" on the MFP49, 16" on the MFP63 and MFPST43), or the 14" Mason-Lite masonry chimney, which fits the MFP33 through MFP49 up to 30 ft without added support. Mason-Lite gives a minimum indoor installation height of 14 ft with a straight chimney and 17 ft with an offset.

Is an outside air kit required?

Your local building code decides. The fireplace works without one, but Mason-Lite notes that outside air is more efficient. Standard fireboxes take the MFP4-AK-M kit; the see-through and linear units take the MFPST-AK-M.

Can Mason-Lite fireplaces be installed outdoors?

Yes. The standard fireboxes are built for indoor and outdoor use, and the Toscana pizza ovens are outdoor-only. Mason-Lite publishes guidance on waterproofing and on footings for outdoor installations, and the vent-free models have a higher outdoor input limit than indoor.

What warranty do Mason-Lite fireplaces have?

Masonry Fireplace Industries warrants the modular concrete firebox against defects in materials that affect performance for the lifetime of the product. Hardware, venting, foundation, accessories, labor and drafting or smoking are not covered, and the unit must be installed to Mason-Lite's instructions and local codes. Mason-Lite provides no warranty for its products if such products are not installed by a trained professional installer. Read the full terms in the Mason-Lite Lifetime Limited Warranty.

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