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Steel outside, timber inside
This is our own model of the beam. It spans between the primary beams and carries the plywood.
Scroll to see how it is built · drag to turn it round
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Steel-Timber Secondary Beam
Timber inside a 2 mm pre-galvanised steel cover. The cover protects the timber, so the beam lasts up to 250 uses. We make 2,00,000 m of it a month.
Built to your size
Four standard lengths.
Secondary beams come in 1.2, 1.5, 1.8 and 2.4 m. The model shows a 1.8 m beam.
- 2,00,000 m
- a month
- Up to 250
- uses
- 2 kN.m
- moment
- 4.4 kg/m
- weight
Explore the model
How it is built.
Scroll: the camera moves to each part in turn and ends on the exploded view. Drag to turn it round yourself.
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Steel cover
A 2 mm pre-galvanised steel cover, 70 mm high by 50 mm wide, protects the timber from wear.
- Moment: 2 kN.m
- Shear: 5 kN
- Flexural rigidity: 54 kNm²
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Timber core
The timber core takes the nails. Inside the cover it lasts up to 250 uses.
Why Allmarc
Experience you can trust.
We fabricate to your drawings and prove the fit in our own bay before anything ships. Open any line for the detail.
Talk to an engineerMade in our own plant
- In-house machining and robotic welding cells.
- Every panel and standard to the same jig.
One supplier
- Scaffolding, formwork and shoring that work together.
- One order, one delivery, one point of contact.
Built for reuse
- Galvanised steel and film-faced plywood.
- Designed for many cycles, not one pour.
Engineered to code
- Allform rated to 50 kN/m² concrete pressure.
- Designed to IS codes.
Start a project
Send us a drawing
Have a drawing? Let us build it.
We fabricate to your design, from plate to a packed container. An engineer will tell you honestly how we would build it.