This tempered glass greenhouse is built for commercial vegetable farms that need consistent light and a structure that holds its shape for decades. The covering is 5 mm tempered glass or 4 mm to 5 mm float glass, with light transmission above 90 percent. A hot dip galvanized steel pipe frame carries the gable structure, with spans from 8 m to 10.8 m and total heights of 4 m to 5.3 m. A standard 15 m by 30 m house covers 450 square meters. Tempered glass resists impact far better than float glass, which suits hail prone regions, and the smooth surface keeps dust from blocking light.
Commercial vegetable farms moving from film or panel covers to glass usually want two things: more light, and a structure that keeps its shape for decades. This tempered glass greenhouse delivers both. It uses 5 mm tempered glass or 4 mm to 5 mm float glass over a hot dip galvanized steel pipe frame, and it transmits more than 90 percent of available daylight, which supports year round production in temperate and cold climates.
The frame is fabricated from hot dip galvanized steel pipe, a treatment that coats the inside and outside of every section and protects cut ends and bolt holes. Spans run from 8 m to 10.8 m with total structure heights of 4 m to 5.3 m, and the gable roof sheds rain and snow efficiently. Tempered glass is the standard covering because it resists impact far better than float glass, which matters in hail prone regions and on roofs near walkways. Glass has a low coefficient of thermal expansion, so panels stay dimensionally stable as temperatures swing between summer and winter, and the smooth surface resists dust build up. Growers planning protected vegetable programmes often follow extension guidance such as that published by Michigan State University horticulture, and trade reporting on FreshPlaza.
The greenhouse arrives as a pre fabricated kit with labelled frame sections, glazing panels and fittings. Site assembly is bolted, so no field welding is required and a trained crew can complete a standard house in a predictable time. Maintenance centres on inspection: check glazing seals at the start of each season, wash glass to keep transmission above 90 percent, and confirm that drainage channels stay clear. Galvanized steel needs no repainting under normal use, and tempered panels resist impact damage between inspections.
These houses suit commercial vegetable production across all four seasons, where glass gives better winter light than film covers. Cut flower growers value the even illumination for stem length and colour consistency, while nursery operations use the controlled environment for propagation. Research and demonstration planting also benefits from the stable, repeatable conditions that glass provides. Compare our full glass greenhouse range and the temperature controlled glass greenhouse, or review our polycarbonate sheet glass greenhouse options for larger blocks.
Tempered glass costs more but resists impact far better, so it is often selected for hail prone regions or for low roofs near walkways. Float glass in 4 mm or 5 mm suits most commercial houses and offers good value.
With clean panels, transmission exceeds 90 percent. Regular washing keeps that figure stable, since dust and algae on glass reduce available light noticeably over a season.
The standard design is rated at 0.35 kN/m2 for both wind and snow. If your site has higher design loads, send the figures and we will confirm a reinforced layout.
With normal use and routine inspection, the galvanized frame is expected to serve for many years without repainting. Glass panels perform for well over a decade depending on handling and local conditions.
Send your span, length, height and local wind and snow loads, plus your target crop. We reply with a layout drawing and a full quotation covering frame, glazing, ventilation and fittings.
