Dry mechanical pinning and remedial tying system

Helifix DryFix

DryFix is a versatile and rapidly installed mechanical pinning and remedial tying system that requires no resin, grout or mechanical expansion.

Other types of the DryFix tie are available for specialist applications. For securing delicate terracotta fixings Helifix offer the DryFix Terracotta, for securing loose render there is the DryFix RenderPin and for securing a soft outer leaf material to a hard inner leaf material is the DryFix Asymmetric.

System Components

  • RP Drill bits for drilling pilot holes (where necessary)
  • Load Test Unit and Pull Test Key
  • Special Power Driver Attachment for rapid installation
  • Power Driver Extension (where necessary)
  • DryFix tie
  • SDS Drill for installation

1. Drill small pilot hole using rotary percussion drill, 3-jaw-chuck type


2. Load tie into DryFix Power Driver Attachment fitted to SDS hammer drill


3. Drive in tie until outer end is fully recessed below face of masonry


  • Versatile replacement wall tie
  • For securing multiple layers of masonry
  • For pinning delicate masonry features


  • Requires no resin, grout or mechanical expansion
  • Slim, one-piece, grade 316 stainless steel tie
  • Quick, easy, non-disruptive installation using the Power Drive Attachment
  • Effective in bricks, blocks, concrete, hard mortar, timber
  • Effective in cavity and solid walls, hollow materials and close to edges
  • Installed tie is recessed below face of masonry
  • Usable in all weathers, temperatures and environments
  • Highly economical with low installed costs
  • Great tensile strength
  • Flexibility accommodates normal building movement
  • Multiple drip points prevent transfer of water across cavity
  • Can be installed through insulation without affecting its thermal performance
  • Leaves masonry virtually unmarked
  • Minimal inconvenience to occupants