Description
Description
The CarbonBar Knee Wall Support Bracket is a low-profile carbon fiber support system designed for stone and solid surface countertop overhangs on knee walls and pony walls. Manufactured from a carbon fiber composite, CarbonBar provides high stiffness and reliable load support in a thin, lightweight form factor that installs flush within wall assemblies.
CarbonBar is used where concealed support, corrosion resistance, and clean finished sightlines are required in residential and commercial countertop installations.
Key Details
| Specification | Value |
|---|---|
| Material | Carbon fiber composite |
| Thickness options | 0.2 1-layer or 0.4 2-layer |
| Mounting | Pre-drilled holes |
| Hardware | Mounting screws included |
| Environment | Indoor and outdoor use |
| Maintenance | No ongoing maintenance required |
| Origin | Made in the USA |
Performance and Use
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Designed to support stone and solid surface countertop overhangs
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High stiffness with minimal deflection when properly anchored
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Thin profile allows concealed installation within knee walls
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Corrosion-resistant and unaffected by moisture exposure
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Suitable for long-term use in interior and exterior environments
Available Sizes and Overhang Guidance
| Bracket Length | Typical Overhang Support Up To* | Thickness Options | Pre-Drilled |
|---|---|---|---|
| 10 | 13 | 0.2 or 0.4 | Yes |
| 12 | 15 | 0.2 or 0.4 | Yes |
| 16 | 19 | 0.2 or 0.4 | Yes |
*Overhang guidance assumes proper substrate design, anchoring method, and load distribution. Final design responsibility remains with the installer or project engineer.
Installation and Handling Notes
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Ships pre-drilled with mounting screws included
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Designed to install flush inside knee walls or pony walls
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Lightweight construction simplifies handling and positioning
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Can be trimmed or sized on-site using carbide-tipped saw blades
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Compatible with mechanical fasteners and documented construction adhesives
Common Applications
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Kitchen island countertop overhangs
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Knee wall and pony wall support
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Outdoor kitchens and bar tops
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Commercial reception desks and retail counters
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Multi-family and accessibility-focused installations
CarbonBar System Components
CarbonBar Knee Wall Supports are part of the broader CarbonBar countertop support system.
Additional CarbonBar products include flat stock, plates, and specialty support configurations to accommodate custom layouts and longer spans.
View the full CarbonBar product lineup for complete system options and sizing flexibility.
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