ROHO Planar Solid Seat Insert
The ROHO® Planar Solid Seat Insert provides a solid base for use with ROHO cushioning products.
The ROHO Planar Solid Seat Insert provides a solid base/foundation for use with most ROHO cushions in order to prevent the hammocking effect of wheelchair sling seats.
Made of polyurethane coated birch plywood, the 3/8”/ (1 cm) solid seat insert easily fits under the cushion, inside the ROHO cushion cover. Maximum size is 24” x 24”.
Special sizes are available. To order a size other than what is available, please contact Customer Care at (619) 810-0010.
Product Features:
- Reduces the effects of sling upholstery
- Fits inside the cushion cover
- Assists in posture and positioning
- Lightweight and can be easily modified

Specifications:
| SKU | SIxxxx |
| Construction | Russian birch plywood with polyurethane coating |
| Height | .38 in. / 1.0 cm |
| Weight | 2.9 lb. / 1.3 kg (based on SI1820) |
| Warranty | 12-Month Limited Warranty |
ROHO Planar Solid Seat Insert Buyer’s Guide
The ROHO Planar Solid Seat Insert is a wheelchair seating accessory designed to provide a firm, stable base beneath a cushion, improving overall seating support and positioning. This insert is commonly used in manual wheelchairs with sling-style seats, where additional structure is needed to maintain proper posture and reduce pressure-related issues during extended periods of sitting.
Construction of the ROHO Planar Solid Seat Insert
The ROHO Planar Solid Seat Insert is constructed from rigid materials designed to maintain a flat and supportive surface under load. The structure is engineered to resist bending and deformation during daily use. This construction allows the insert to provide consistent support over time. The materials are selected to withstand repeated use without compromising stability.
ROHO Planar Solid Seat Insert Enhanced Stability
The ROHO Planar Solid Seat Insert features a flat, planar surface designed to create a stable seating foundation. This helps prevent uneven seating caused by flexible wheelchair sling upholstery. A stable base is important for maintaining proper alignment. The design supports consistent positioning throughout daily use.
Pressure Redistribution and Seating Support
This ROHO seat insert works in conjunction with wheelchair cushions to improve pressure distribution. By providing a firm base, it helps prevent the formation of pressure points caused by uneven seating surfaces. Even pressure distribution is important for long-term comfort and skin integrity. The insert supports more effective performance of pressure-relief cushions.
Planar Solid Seat Insert Reduction of Seat Sling Effect
The Planar Solid Seat Insert is designed to minimize the “seat sling” effect commonly found in fabric wheelchair seats. Sling seating can create a hammock-like shape that affects posture and pressure distribution. By creating a flat surface, the insert helps correct this issue. This supports improved seating alignment and more consistent weight distribution.
Compatibility with ROHO Cushion Systems
The ROHO Planar Solid Seat Insert is designed to be used with a variety of ROHO cushion systems. When placed beneath a cushion, it enhances the overall effectiveness of the seating system. This compatibility allows users to integrate the insert into existing setups. Proper pairing with cushions helps optimize comfort and support.
Impact on Postural Alignment
The insert supports improved posture by providing a level seating surface. This can help maintain proper pelvic positioning and reduce the risk of leaning or instability. Postural alignment is important for both comfort and functional mobility. A stable seating base contributes to better positioning throughout the day.
Durability and Long-Term Use
The materials used in the insert are intended to support repeated daily use without significant wear. The rigid structure maintains its form even under continuous loading. Durability is essential for seating components that are used for extended periods. The insert is designed to provide consistent performance over time.
Weight and Integration with Wheelchair Systems
The wheelchair seat insert is designed to add structural support without significantly increasing overall wheelchair weight. Its profile allows it to integrate easily beneath cushions without interfering with seating height. Maintaining a manageable weight is important for overall mobility. The design supports integration without compromising usability.
ROHO Planar Solid Seat Insert Review
The ROHO Planar Solid Seat Insert is designed to provide a firm and stable seating foundation that improves posture, pressure distribution, and overall seating performance. Its rigid construction and compatibility with ROHO cushion systems make it a functional addition to wheelchair seating setups. With its ability to reduce sling seating effects and support proper alignment, this insert functions as a practical solution for users seeking improved stability and consistent support during extended wheelchair use.
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