Walnut Fireplace Mantel
Select your dimensions and finish below to calculate the price.
Rich brown tones and flowing natural grain create a warm focal point above your fireplace. Made to order by Gentry Stinson in Phoenix, Arizona.
Available configurations: $219.00 USD–$579.00 USD
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Illustrative finish preview. Wood grain and screen colors vary; confirm your selection with a physical sample.
Configure Your Mantel
Select width, depth and height.
Estimated weight: —
Need a size or project condition outside the standard configurator? Request Custom & Project Work
Specifications & What’s Included
Factory assembled in Phoenix, Arizona. Dimensions below are in inches and describe the finished exterior.
- Construction
- Genuine wood veneer on ¾-inch MDF-core panels with precision mitered joints. Five finished faces—front, top, bottom and ends—with an open back for concealed mounting.
- Dimensions
- Width 36–96, depth 6–12 and height 5–10, each in 1-inch steps.
- Finish
- Select an unfinished/stain-ready or offered factory-applied Rubio finish from the choices for this product. Finish availability varies by species. Unfinished wood needs your chosen finishing process before use; factory-finished wood arrives with the selected treatment. Natural grain and color vary.
- What’s included
- One assembled mantel with the selected finish and concealed mounting system. The installer must select site fasteners appropriate to the wall substrate and anchorage.
- Price & delivery
- The selected size, finish and options determine the displayed product price. Shipping is additional. The current standard production estimate is approximately one week after the finalized order is accepted; custom work or larger quantities can take longer. Transit time is additional. See production and shipping details for the current estimate and conditions.
Product questions
How much clearance does my fireplace need?
This is a combustible decorative mantel. Required clearances depend on the fireplace, its listing and installation instructions, the mantel projection and applicable project requirements. Confirm the fireplace manufacturer’s requirements before selecting the size and mounting position. There is no single clearance that applies to every fireplace.
How much weight can it support?
Capacity depends on the finished dimensions, wall structure, fasteners, anchorage and how the load is distributed. Drywall alone is not structural support. Share the intended load and wall construction so the installation can be assessed; do not assume a universal weight rating. See load capacity and installation guidance.
How should I care for the finish?
Use indoors in dry conditions. Dust with a soft cloth; when needed, wipe gently with a lightly damp cloth and dry promptly. Avoid standing water, steam, abrasives and harsh solvents. Protect the surface beneath planters and other damp objects. For a field-applied finish, follow the finish manufacturer’s care instructions.
Product Description
Rich brown tones and flowing natural grain create a warm focal point above your fireplace. Made to order by Gentry Stinson in Phoenix, Arizona.
Choose your width, depth, height and finish. This Walnut mantel uses the same species-specific finish choices as our Walnut floating shelves.
Finish options: Unfinished / Stain Ready; Rubio Monocoat Pure.
Construction: Factory assembled from 3/4-inch genuine Walnut wood veneer on MDF-core panels, with precision miter joints, five finished faces and an open back for concealed wood-cleat mounting. Panel thickness is separate from the finished mantel height. This is an engineered hollow mantel, not a solid-lumber beam.
Dimensions: Width 36–96 inches, depth 6–12 inches and height 5–10 inches, in 1-inch increments. A concealed mounting system is included; site fasteners depend on the wall substrate.
Fireplace installation: Confirm the fireplace manufacturer's required clearances for combustible mantels and your selected projection before ordering and installation.
Sold individually. Images are illustrative species and finish previews; styling is not included. Natural wood grain and color vary. Unfinished wood requires field finishing.
Construction & Mounting
Factory assembled from 3/4-inch MDF using CNC-machined precision miter joints. The beam uses five finished panels with an open back for concealed mounting access. Internal reinforcement is added as required by the selected dimensions. A concealed mounting system is included; wall fasteners must be selected for the actual substrate and site conditions.
Fireplace Clearance & Installation
This mantel is a combustible decorative product and does not establish or modify required fireplace clearances. Installation must comply with the fireplace manufacturer's instructions, applicable building and fire codes, and the actual fireplace, wall, and projection conditions. Confirm clearances before ordering and installation.
Shipping & Project Orders
Shipping is calculated separately. For non-standard dimensions, quantity orders, project-specific finishes, or other requirements outside the online configurator, use Custom & Project Work or Trade & Professional Projects.
Request Custom & Project Work · Trade & professional projects

