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D78 Alloy Beam

Price range: £250.00 through £450.00 ex. VAT

The D78 Alloy Beam is a high-strength, lightweight structural component ideal for building sturdy temporary roofing spans and heavy-duty scaffolding. Crafted from durable Alloy 6082-T6, it’s designed for everyday use, with vertical posts every 1m for easy connections. Available in 3m (16.92kg), 4m (22.21kg), 5m (27.5kg), and 6m (32.79kg) lengths, it handles a permissible moment of 38.8 kNm and shear of 23.7 kN, offering unbeatable value, versatility, and compatibility with standard fittings to save you time and effort on site.

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Sussex Depote

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Trusted by customers

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Best prices

Delivered within 2–5
business days

Order online and pick up from our yard

Operating from Aldingbourne, West Sussex

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Description

Why choose the D78 alloy beam?

Whether you’re tackling a large roofing project or need reliable support for general scaffolding, the D78 alloy beam stands out for its innovative design and real-world performance. It’s all about giving you strength without the bulk so that you can work smarter, not harder. Professionals love how it integrates seamlessly into existing setups, reducing setup time and boosting efficiency. Plus, its EU-manufactured quality means you get peace of mind with every use.

Length

Weight (kg)

Depth

Material

Permissible Moment

Permissible Shear

Key Design Features

3m

16.92

780mm

Alloy 6082 T6

38.8 kNm

23.7 kN

Vertical posts every 1m for connections; compatible with standard scaffold fittings

4m

22.21

780mm

Alloy 6082 T6

38.8 kNm

23.7 kN

Vertical posts every 1m for connections; compatible with standard scaffold fittings

5m

27.5

780mm

Alloy 6082 T6

38.8 kNm

23.7 kN

Vertical posts every 1m for connections; compatible with standard scaffold fittings

6m

32.79

780mm

Alloy 6082 T6

38.8 kNm

23.7 kN

Vertical posts every 1m for connections; compatible with standard scaffold fittings

Manufacturing: Produced in the EU to high standards for reliability.

General notes: Permissible loads apply across all lengths when used within design guidelines (consult full technical data for specific configurations).

The D78 alloy beam shines in a variety of scenarios where strength and flexibility matter most:

  • Constructing temporary roof spans for weather protection during builds.
  • Heavy-duty support in scaffolding for construction sites or maintenance work.
  • General-purpose bridging in industrial or event setups.
  • Roofing projects requiring robust, lightweight beams to span wide areas safely.
  • Integration into modular systems for custom scaffolding configurations.

Safety is paramount when working with scaffolding, and the D78 alloy beam is built with that in mind. It is highly recommended that you always ensure proper installation by qualified professionals, use compatible fittings or spigots, and follow load guidelines to prevent overloading. Regular inspections for wear and tear are recommended to maintain integrity. This beam complies with ISO 9001:2008 standards, ensuring consistent quality control in manufacturing. It’s EU-made, adhering to strict material and production regulations for trustworthy performance you can rely on.

Frequently asked questions (FAQ's)

It is lighter and easier to handle thanks to the aluminium alloy, yet still packs serious strength for heavy loads, making it perfect if you’re looking to cut down on fatigue without skimping on safety.

Yes, you can. It’s built to fit standard scaffold tube dimensions and features node points positioned for common fittings, making installation simple and seamless.

The consistent node spacing makes it straightforward just align them and secure with standard couplers at the vertical posts for a seamless, strong connection, or if you want to connect them end to end, you should use dedicated spigots (specifically the D780mm 6-hole or 8-hole spigot) and secure with quick-release pins or M12 bolts.

It depends on your span needs: use 3m for shorter gaps and up to 6m for wider ones. Factor in load requirements and consult a structural expert to pick the right fit.

This beam has a permissible moment of 38.8 kNm and a shear of 23.7 kN, and is built for tough jobs. You should always calculate based on your specific setup and never exceed the recommended limits.

Yes, these beams are made from 6082-T6 aluminium, which resists corrosion well, making them great for outdoor projects; however, covering them during long-term storage helps keep them in top shape.

Additional information

Length

3m, 4m, 5m, 6m

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