Maximize Your Greenhouse Production with Harnois Growing Tables
Harnois offers premium greenhouse bench systems designed for commercial growers who want to optimize space, improve efficiency, and ensure reliable crop support. Our cultivation surfaces combine durability, stability, and flexibility to meet the needs of modern greenhouse operations — from forestry production to germination tables and floodable tables.
Whether you manage a small propagation facility or a large-scale commercial greenhouse structure, the right bench system directly impacts your labor efficiency, crop yield, and long-term return on investment.








Why Choose Harnois Greenhouse Benches
Harnois growing platforms are trusted by growers across Canada and the United States for their robust design and ease of installation. From cannabis producers in British Columbia to institutional research facilities like Université Laval, our plant support systems adapt to any production model.
Key benefits include:
- Durable construction: Made with high-quality galvanized steel and 16-gauge tubing, engineered to withstand high humidity and heavy crop loads year after year
- Flexible configuration: Adjustable height and F-shaped edges to suit any growing setup
- Space optimization: Maximize greenhouse production with rolling, side, and specialized cultivation surfaces
- Safe and reliable: Corner protection, bracing, and precise leveling ensure stability during daily handling
- Mobile options available: Automatic stop mechanism prevents lateral movement and eliminates crop damage
All steel components are hot-dip galvanized to prevent corrosion, ensuring a lifespan that outlasts cheaper alternatives. Our bench systems are fully compatible with our range of greenhouse growing equipment, including irrigation, heating, and shade systems.
Harnois Bench Systems Options
Standard Benches
Perfect for forestry production, standard rolling, and side configurations, these growing platforms provide robust support for crops and trays in any commercial operation.
Specifications:
- Widths from 48 to 88 inches
- Height adjustable between 31 and 34 inches — ergonomically suited for daily team use
- Strong steel structure with bracing at extremities
- F-shaped edge design, reversible
- Durable steel feet that can be fixed to concrete floors for maximum stability
- Mobile versions include automatic stop mechanism
Applications:
- Forestry production — Metis and Roserim systems
- Standard rolling benches
- Standard side benches
Germination Tables and Floodable Tables
Ideal for efficient seedling production and tray irrigation systems, these cultivation surfaces ensure uniform water distribution and easy crop handling — a critical advantage for growers focused on propagation and early-stage plant development.
Features:
- Same robust galvanized steel construction as standard benches
- Easy leveling with threaded rods
- Protected corners for safe handling
- Compatible with flood-and-drain irrigation systems
Ovaltech III Side Tables
Maximize wall space production with Ovaltech III Side Tables, designed specifically for commercial greenhouse efficiency. These two-tier growing platforms make full use of vertical space along greenhouse sidewalls.
Characteristics:
- 100% galvanized steel construction
- C-shape supports every 6 feet
- Two shelves: 44 inches wide at 32 inches height, 22 inches wide at 64 inches height
- Load capacity: 10 lbs per square foot
Options:
- Table ends attachable to greenhouse gables or stopping at any arch
- Dramex covering with protective border
Additional Products – Compatible Growing Systems
Although not manufactured by Harnois, we can supply compatible systems to complete your operation and integrate seamlessly with our bench solutions:
- Moveable gutters — Viemose and Am Hydro systems
- Stationary and hanging strawberry-type gutters — Growtec
These products pair directly with our plant support systems to provide a complete, end-to-end growing solution for producers of all scales.
Applications Across Greenhouse Operations
Harnois cultivation surfaces are suitable for a wide variety of crop types and production models. Explore our industry pages to see how our bench systems perform in your specific context:
- Floriculture & ornamental — rolling benches for high-density pot plant production → Ornamental Greenhouse Solutions
- Forestry & young plants — Metis and Roserim systems for seedling trays → Young Plant Greenhouses
- Produce & vegetables — floodable tables for efficient tray irrigation → Produce Greenhouses
- Cannabis & controlled crops — blackout-compatible bench systems for light-deprivation growing
See how these systems have been deployed in real projects across North America in our greenhouse project portfolio.
Technical Specifications at a Glance
| Feature | Standard Bench | Germination Table | Ovaltech III |
|---|---|---|---|
| Material | Galvanized steel | Galvanized steel | 100% galvanized steel |
| Width | 48–88 in | 48–88 in | 44 in / 22 in (2 shelves) |
| Height | 31–34 in (adjustable) | Adjustable + threaded rods | 32 in / 64 in |
| Mobile option | Yes (auto-stop) | No | No |
| Load capacity | Heavy-duty | Standard | 10 lbs/sq ft |
| Concrete fixing | Yes | Yes | Yes |
Ready to Maximize Your Greenhouse Productivity?
Contact Harnois today to learn more about our bench systems, Ovaltech III tables, germination benches, and floodable cultivation surfaces. Our team will help you select the right growing platform for your operation, crop type, and facility dimensions.
Contact us
Ready to maximize your greenhouse productivity?
Contact Harnois today to learn more about our bench systems, Ovaltech III tables, germination benches, and floodable tables