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Linear+Mantel+Combos.jpg
LXH_Choice+of+Models.png
LXH_Choice+of+Colors.png
LHX_E-Commerce+Layout_Brackets3.jpg
LXH_Flat+Sawn+Beam_Certificate.jpg
LXH_Flat+Sawn+Beam_Mantel_Eclipse.jpg
LXH_Flat+Sawn+Beam_Mantel_Main.jpg
LXH_Flat+Sawn+Beam_Mantel_Weathered+Grey.jpg
LXH_Flat+Sawn+Beam_Mantel_Roasted+Chestnut.jpg
LXH_Flat+Sawn+Beam_Mantel_Pale+Honey.jpg

Adjustable Flat Sawn Fireplace Mantel Kit

from $2,002.00

Add scale and character to oversized fireplaces with the Extended Flat Sawn Beam Mantel Kit — a modular, non-combustible fireplace mantel designed for easy installation and customizable length. This kit is the perfect solution for homeowners, contractors, and designers working with wide fireplace walls, feature walls, or vaulted ceilings where standard-sized mantels fall short.

Each kit includes:

  • A core Flat Sawn Beam mantel (60" or 72")

  • One or two 24" extension blocks

  • Coordinating decorative brackets

  • All necessary hardware and touch-up materials for a seamless finish

  • Unlike traditional wood mantels, it won’t warp, crack, or pose a fire risk.

  • Allows you to expand your mantel up to 10 feet wide without custom fabrication.

  • Ideal for large-format fireplaces, stone surrounds, or modern feature walls

  • Great for DIYers thanks to pre-engineered bracket locations and included hardware

  • Eliminates the weight and hassle of reclaimed wood or structural carpentry

Perfect For Rustic, Farmhouse, Modern, or Industrial designs

Size:
Color:

Add scale and character to oversized fireplaces with the Extended Flat Sawn Beam Mantel Kit — a modular, non-combustible fireplace mantel designed for easy installation and customizable length. This kit is the perfect solution for homeowners, contractors, and designers working with wide fireplace walls, feature walls, or vaulted ceilings where standard-sized mantels fall short.

Each kit includes:

  • A core Flat Sawn Beam mantel (60" or 72")

  • One or two 24" extension blocks

  • Coordinating decorative brackets

  • All necessary hardware and touch-up materials for a seamless finish

  • Unlike traditional wood mantels, it won’t warp, crack, or pose a fire risk.

  • Allows you to expand your mantel up to 10 feet wide without custom fabrication.

  • Ideal for large-format fireplaces, stone surrounds, or modern feature walls

  • Great for DIYers thanks to pre-engineered bracket locations and included hardware

  • Eliminates the weight and hassle of reclaimed wood or structural carpentry

Perfect For Rustic, Farmhouse, Modern, or Industrial designs

FAQ For Extend Flat Sawn Mantel Kits

  • nlike fixed-size mantels, this kit is modular and expandable up to 10 feet wide. It includes decorative brackets that conceal seams and add visual detail.

  • Yes! The kit includes everything you need for installation, and it’s designed to be DIY-friendly with no need for complex tools or framing.

  • This kit is perfect for large fireplaces, feature walls, vaulted ceilings, or anywhere you want to scale up the design impact with a safe, fire-rated beam.

    It is especially useful for those wishing to combine a mantel with a floating hearth on today’s gas or electric linear fireplaces.

  • Yes. Made from Burncrete™, this mantel is ASTM E136 certified as non-combustible and safe for use over all fireplace types.