Selection of Test Programmes conducted worldwide

  • 1985 – 1989 Oxford Polytechnic (now Oxford Brookes University) Tests of various wall tie systems.
  • 1988 BRE Report 9A/22/1 on ties Helifix first to meet performance requirements.
  • 1988 TRADA – InSkew and TimTie performance.
  • 1990 University of Surrey Performance of Helifix dowels in timber.
  • 1990 University of Waterloo, Ontario, Canada – tests of the mechanical characteristics of Helifix Ties Use of Helifix ties to repair delaminated marble cladding – HeliBar and Helifix ties well suited for seismic applications.
  • 1992 Middlesex University tests on ‘Helibeams’ Performance three times better than code calculations.
  • 1993 BRE beam tests – Investigation of behaviour and method of calculation.
  • 1994 BRE – Independent design method developed – move away from BS5628 Part 2.
  • 1995 University of Newcastle, N.S.W. Australia Performance of Masonry Beams with HeliBar reinforcement – Prof. Adrian Page.
  • 1996 Oxford Brookes University – TimTie performance in tension and compression.
  • 1998 TRL test programme for repair of masonry arch bridges.
  • 1998 Appraisal & Assessment of the fixing of delaminated and fractured render – Frank G Jones.
  • 1998 Soil & Materials Engineers, Inc., Plymouth, MI, USA – DryFix performance tests in different building materials.
  • 1999 Anchor Tests in AAC – Frank G Jones.
  • 1999 2nd TRL arch test.
  • 2000 Brno University, Czech Republic – Solid brick beam tests.
  • 2000 TRADA Updates of InSkew and TimTie tests.
  • 2000 University of Silesia, Poland – Wallette shear tests.


  • 2000 University of Canterbury, New Zealand – Lateral local testing of wall panel.
  • 2001 3rd TRL arch test.
  • 2001 Ove Arup & Partners – Numerical Simulation of masonry arch bridges.
  • 2001 Brno University, Czech Republic Continuation of solid brick beam tests.
  • 2003 Bridge Test for Southern Railway (Chennai Division), India – Dr A R Santhakumar.
  • 2003 Napier University, Scotland Pull-out capacity of Helifix connectors in OSB – Structural Insulated Panel Systems.
  • 2006 Napier University, Scotland Research on Helifix connectors in timber.