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Slab formwork from our own lines: telescopic props, 4-way heads, pressed steel primary beams, steel-timber secondary beams and 18 mm birch plywood. Every part is made to be used again and again.
Primary beams come in 1.8, 2.4 and 3 m. Steel-timber secondary beams come in 1.2, 1.5, 1.8 and 2.4 m. Prop lengths and spacing are set by your slab thickness and floor height.
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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Props carry primary beams, primary beams carry secondary beams, and the plywood goes on top. The model leaves part of the plywood off so you can see the beams.
Scroll to see how it is built · drag to turn it round
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The inner tube slides out of the outer tube and is pinned through one of its holes. The nut on the threaded collar then screws up for the last few millimetres.
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A folding tripod holds each prop upright while the bay is being set. It comes off once the beams are in.
04 / 08
The head on top of each prop is a plate with 4 upstands. One beam sits between them, or two beams lapped side by side. U heads are also available.
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The primary beam is pressed steel with triangular openings in the web, which take out weight and keep the strength. A timber insert in the top lets it be nailed to.
06 / 08
Timber inside a 2 mm pre-galvanised steel cover, 70 mm high by 50 mm wide. The cover protects the timber, so a beam lasts up to 250 uses. We make 2,00,000 m of it a month.
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The soffit is 18 mm film-faced birch plywood. It is the face the concrete is cast against.
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Props, heads, primary beams, secondary beams and plywood.
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 engineerWe fabricate to your design, from plate to a packed container. An engineer will tell you honestly how we would build it.
