For projects that require greater height coverage than smaller props can offer, the size 1 acrow prop provides the ideal balance between reach and strength. Widely used across construction, refurbishment, and structural alteration work, it offers dependable vertical support when installing lintels, forming openings, or stabilising load-bearing elements. Its telescopic design, combined with a precision-threaded collar and locking pin, ensures accurate height adjustment and secure positioning, even under heavy loads. Built to meet recognised British Standards, it is a trusted choice for professional contractors.
Dimensions
| Specification | Measurement |
|---|---|
| Closed Height | 1.75m |
| Extended Height | 3.12m |
| Outer Tube Diameter | 60.3mm |
| Inner Tube Diameter | 48.3mm |
| Weight (Approx.) | 18.64kg |
| Base Plate Size | 150mm x 150mm |
| Safe Working Load* | Up to ~34kN (closed) |
*Load capacity reduces as the prop is extended. Always follow manufacturer load tables and site safety requirements.
Key features
- An adjustable telescopic design allows flexible height positioning
- The high-strength steel construction is built for demanding environments
- A precision threaded collar enables controlled and accurate load adjustment
- The drop-forged steel pin ensures secure locking at the required height
- A durable powder-coated finish provides effective corrosion resistance
- The large base and head plates improve load distribution and stability
- Each unit is manufactured to meet recognised industry standards (e.g. BS4074)
- Full compatibility with accessories such as strongboys and U-heads
Benefits
An ideal solution for medium-height applications
Covers a versatile height range, making it suitable for most residential and commercial building work.
Enhanced structural safety on-site
Designed to provide stable, temporary support when altering load-bearing walls or installing beams.
A more efficient on-site workflow
Quick height adjustment and easy handling help reduce installation time and improve productivity.
Long-term value through repeated use
Durable steel construction ensures a long service life across multiple projects.
Consistent and reliable performance under load
Engineered to maintain strength and stability even in demanding site conditions.
Typical applications
- Supporting ceilings during renovations
- Temporary support for lintels and RSJs
- Structural wall removal and alterations
- Formwork and shuttering support
- Stabilising floors and temporary beams
Acrow props are widely used to provide temporary vertical support during construction and structural work, ensuring safety while permanent elements are installed.
Build quality & compliance
Our size 1 acrow props are manufactured from high-grade steel and produced in line with recognised British Standards, ensuring consistent strength, durability, and safety. Many props on the market may look similar, but compliance with standards such as BS4074 ensures reliable load-bearing performance and peace of mind on-site.
Safety guidance
- Always position props vertically on firm, level ground
- Use timber sole plates where required to spread load
- Never exceed the safe working load at any extension
- Inspect equipment before every use
- Ensure correct installation by trained personnel
Frequently asked questions
What height range does the size 1 acrow prop cover?
Size 1 acrow props adjust from about 1.75m to 3.12m, bridging the gap between small and medium-height support needs.
What is the approximate weight of a size 1 acrow prop?
They are around 18.64kg, still manageable for installation by one or two people in most construction settings.
For which projects is this prop best suited?
Excellent for medium-height formwork, floor slab support, wall propping, and general building work requiring heights up to 3 metres.
How does the load capacity work for this size?
Load capacity is higher at lower extensions and decreases as you approach maximum height. Typical SWL ranges from 20–35kN; always reference the load table.
Is there a specific way to install size 1 acrow props?
Position on a firm base with sole plate, adjust to height, ensure plumb within 1.5°, and secure the collar. Suitable for both vertical and some raking uses with adapters.
Can they be used for concrete slab formwork?
Yes, they are commonly used in slab formwork where heights are between 1.75m and 3.12m, providing reliable support during curing.
What makes this size versatile for contractors?
Their medium range makes them one of the most used sizes, balancing reach and strength for a wide variety of temporary works.
Q & A
Size 1 Acrow Prop
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