The flat jacks guarantee reliable, easy-to-use and high quality performance. Depending on the testing conditions, flat jacks may be produced in different forms and dimensions, to suit the application and the client’s needs. Special panelling thicknesses, welds and couplings can also be provided.

The FLAT JACKS is made in accordance with all major global standards:

• STM D4729 – 08 Standard Test Method for In Situ Stress and Modulus of Deformation Using Flatjack Method
• ASTM C1196 – 09 Standard Test Method for In Situ Compressive Stress Within Solid Unit Masonry Estimated Using Flatjack Measurements
• ASTM C1197 – 09 Standard Test Method for In Situ Measurement of Masonry Deformability Properties Using the Flatjack Method