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Cem Flex arch
What is Cem Flex?

Introduction

Cem Flex is a pinning system for solid masonry comprising short stainless steel helical-shaped rods and Bond Flex grout. It is an ideal solution for producing strong connections in masonry walls. Due to its versatility, it can be also used along with other Target Fixings products like Bar Flex beaming or Heli Piles providing additional anchorage and effective force redistribution over the larger wall area. It is very advantageous in situations where the access is limited. 

Cem Flex was originally developed in conjunction with British Rail as a method for pinning delaminated masonry arches, and it has now become widely accepted as a simple and economic solution for broader issues with solid masonry structures.

Special features

Cem Flex

Download Cem Flex info

  • Applications
  • Installation details
  • Delaminated and bulging walls – fixings across multilayered walls
  • Deep crack stitching – fixing deep undersurface cracks 
  • Vaults and arch repair – anchorage 
  • Linter repair – pinning loose masonry elements 
  • Wall connections – reconnection of wall junctions and corners

Cem Flex offers a flexible, discreet solution for both major infrastructure and residential repair needs.

Installation is simple and non-intrusive:

  • Drill a 12–16mm diameter hole into the structure.
  • Inject Bond Flex grout to completely fill the hole using a pinning nozzle (below).
  • Carefully wind Cem Flex by hand into the filled hole using Hand Support Tool (below).

While Cem Flex installations cannot be randomly tested after placement, pre-testing is possible by installing an oversized Cem Flex and performing a load test.

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Strengthen your masonry
with Cem Flex