Underpinning Mechanical Jacks

We can offer a number of the standard range of underpinning propping jacks as well as producing bespoke underpinning jacks which are available for hire and sales.

As like our other temporary propping systems, we stock large amounts of the different models and can delivery within 24 hours from order.

Selection Chart

Size Name Minimum Height Maximum Height
0 Underpinning Jacks(Bespoke) 200mm 320mm
1 Underpinning Jacks 300mm 450mm
2 Underpinning Jacks 400mm 600mm
3 Underpinning Jacks 500mm 700mm

Key Features:

  • Adjustable Height
  • Avaliable in range of sizes
  • Manufactured and certified to Bristish Stadnards
  • Ideal for underpinning supports
  • Durable and light, but upto load of 4 tonnes (Datasheet available)
  • Avaliable for hire or sales
  • Large stocks available for immediate disptach


  • 4 to 6 tonnes capacity
  • Low height to suit insertion constraints
  • Variable heights / extensions
  • Temporary or permenant uses
  • To support structures and underpinning operations

The underpinning jacks have a safe working load (SWL) of 4 to 6 Tonnes.
The jacks use a 4mm thick tube and heavy duty screw thread along with a mechanical locking-collar, manufactured from high tensile steel with a 200mm x 200mm x 6mm base and top spreader plates.
In addition, if a larger capacity mechancial screw jack is required. We can offer alternatives ranging from 10 tonnes upto 135 tonnes.

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Hydra-Capsule Limited
Hydra House - Bishops Frome

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