Foundation Extension Classic’253

Foundation Extension Frame Classic 253 – a stable base for greenhouse expansion

The Classic 253 aluminium foundation extension frame (9 cm) is designed for extending glass greenhouse modules GE1303 and GE1304. It ensures a consistent base level between the main greenhouse structure and the added section, maintaining stability, precise alignment and protection against ground moisture.

If you plan to extend the length of your greenhouse or add an extra module, a foundation extension frame is an essential structural element that guarantees long-term reliability and safety.

Why a foundation extension frame is necessary

When expanding a greenhouse, it is crucial that the new section sits at exactly the same height and level as the existing structure. The Classic foundation extension frame provides a precise connection, compensates for minor surface unevenness and protects joint areas from deformation and corrosion.

• Unified base level: ensures accurate height alignment between greenhouse modules.
• Structural stability: preserves the geometry of the greenhouse and prevents movement.
• Durable material: aluminium does not rust and requires minimal maintenance.
• Easy installation: the extension frame is securely fixed to the existing foundation frame.

Important installation considerations

The foundation extension frame does not replace a foundation — it ensures continuity of the structure. Installation requires a solid base such as a concrete strip, paving stones, wooden beams or screw piles. Before assembly, carefully check level and diagonals to ensure precise alignment of the entire greenhouse.

All connection points should be firmly secured using the supplied fastening components to guarantee lasting stability.

Specifications

• Compatibility: Classic 253 glass greenhouse modules (GE1303, GE1304)
• Height: 9 cm
• Material: aluminium
• Function: extension of the foundation frame for greenhouse expansion

Averto tip

When extending a greenhouse, always use an extension frame made of the same material and height as the original foundation frame. This ensures structural consistency and even load distribution along the entire greenhouse length.

Conclusion

The Classic 253 foundation extension frame ensures that the extended part of your greenhouse remains stable, secure and visually aligned with the main structure. A small but essential component for a durable and well-balanced greenhouse.

• Instructions for Greenhouse Base Extension GE13-2EXT

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