The Bottom Supported Horizontal Sliding Unit expands workspace flexibility and is customizable to fit various recessed settings, including nooks, cabinets, and other built-in spaces. Maximize efficiency by doubling or tripling your usable surface while minimizing wall space.
Writanium® Porcelain Sliding Units
Bottom Supported Horizontal Sliding Unit (BHS)
Product Highlights
- Weight supported at the bottom by heavy-duty steel rollers.
- High-performance sliding systems are available in marker, chalk, and tackable surfaces.
- Writanium® porcelain writing surfaces are projection-friendly, accept magnetic accessories, and resist ghosting or staining. Backed by our forever warranty for lasting peace of mind.
- 1 1/4” thick panel for enhanced durability and rigidity.
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Sustainability

Platinum boards meet the gold level indoor quality enviornmental standards of the Scientific Certification Systems
Model Options
| MODEL | SIZE (HxW) |
|---|---|
| 857840800 | 4' x 8' |
| 857841000 | 4' x 10' |
| 857841200 | 4' x 12' |
| 857841600 | 4' x 16' |
| MODEL | SIZE (HxW) |
|---|---|
| 858240800 | 4' x 8' |
| 858241000 | 4' x 10' |
| 858241200 | 4' x 12' |
| 858241600 | 4' x 16' |
Why Writanium®?
A surface like no other.
Writanium® porcelain sets the standard for premium marker writing surfaces—engineered to endure, perform, and stay pristine in even the busiest learning and working environments.
Why Writanium®?
A surface like no other.
Writanium® porcelain sets the standard for premium marker writing surfaces—engineered to endure, perform, and stay pristine in even the busiest learning and working environments.
Smooth Writing & Erasing
Resists ghosting and staining for optimum erasability, ensuring a clean surface every time.
Magnetic Compatibility
Accepts magnets, allowing you to display materials and collaborate more effectively.
Projection-Friendly
The low-glare surface provides crisp visuals, ideal for use in presentations, classrooms, or meetings.
Highly Durable
Withstands scratches, stains, fire, vandalism, and chemicals—perfect for heavy daily use in any environment.
Hygienic Design
Bacteria-resistant and VOC-free, promoting a safer, healthier environment.
Sustainable Materials
Made from eco-friendly, inorganic components that align with green practices.
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