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Stainless steel head restraints designed to restrain the top of masonry walls. They allow vertical movement to accommodate shrinkage or thermal movement of the wall or structural frame, whilst restraining wind loads.

Important:

Head restraint requirements/ spacing to be determined by Structural Engineer and Contractor to be informed.

Related literature

The following content references this product:

Standard product features

Material:

Austenitic stainless steel.

Options

Product reference:

- FHR head restraint:

  • Restraint for the top of internal wall, or the inner leaf of a cavity wall.
  • The restraints are supplied with two holes in the longer angle to allow the restraint to fit 100 mm and 140 mm blockwork. Each restraint provides a design resistance of 1890 N.
  • The FHR has two angles which clamp the top of the wall and each have 10 mm holes for a single fixing to the underside of a structural member.

- IHR-B head restraint:

  • Restraint for the top of internal wall, or the inner leaf of a cavity wall.
  • The standard length of an IHR sliding top section will accommodate a gap of 25–50 mm. Longer top sections are available to accommodate gaps of 51–75 mm.
  • The standard height of an IHR will suit a 215 mm block. Other stem lengths are available on request, however, longer stems may be unable to accommodate a gap above 40 mm.
  • The IHR-B has a single 9 mm hole to allow fixing to the underside of a structural member.
  • For design resistance information at 900 mm and 450 mm centres, please refer to Ancon technical literature.

- IHR-C head restraint:

  • Restraint for the top of internal wall, or the inner leaf of a cavity wall.
  • The standard length of an IHR sliding top section will accommodate a gap of 25–50 mm. Longer top sections are available to accommodate gaps of 51–75 mm.
  • The standard height of an IHR will suit a 215 mm block. Other stem lengths are available on request, however, longer stems may be unable to accommodate a gap above 40 mm.
  • The IHR-C has a notch end to fix directly to a 38/17 or 30/20 cast-in channel
  • For design resistance information at 900 mm and 450 mm centres, please refer to Ancon technical literature.

- IHR-H head restraint:

  • Restraint for the top of internal wall, or the inner leaf of a cavity wall.
  • The standard length of an IHR sliding top section will accommodate a gap of 25–50 mm. Longer top sections are available to accommodate gaps of 51–75 mm.
  • The standard height of an IHR will suit a 215 mm block. Other stem lengths are available on request, however, longer stems may be unable to accommodate a gap above 40 mm.
  • The IHR-H is supplied with a notch end to suit the hammer-on section for attachment to structural steelwork flanges without the need for site drilling.
  • For design resistance information at 900 mm and 450 mm centres, please refer to Ancon technical literature.
  • Refer to Ancon's 'Wall Ties and Restraint Fixings' brochure for more details on non-drill fixings for steelwork.

- IHR-S head restraint:

  • Restraint for the top of internal wall, or the inner leaf of a cavity wall.
  • The standard length of an IHR sliding top section will accommodate a gap of 25–50 mm. Longer top sections are available to accommodate gaps of 51–75 mm.
  • The standard height of an IHR will suit a 215 mm block. Other stem lengths are available on request, however, longer stems may be unable to accommodate a gap above 40 mm.
  • The IHR-S has a single 6 mm hole to allow fixing to the underside of a steel beam.
  • For design resistance information at 900 mm and 450 mm centres, please refer to Ancon technical literature.

- IHR-V head restraint:

  • Restraint for the top of internal wall, or the inner leaf of a cavity wall.
  • The standard length of an IHR sliding top section will accommodate a gap of 25–50 mm. Longer top sections are available to accommodate gaps of 51–75 mm.
  • The standard height of an IHR will suit a 215 mm block. Other stem lengths are available on request, however, longer stems may be unable to accommodate a gap above 40 mm.
  • The IHR-V has a single 9 x 25 mm wide slot to allow fixing to the underside of a structural member.
  • For design resistance information at 900 mm and 450 mm centres, please refer to Ancon technical literature.

NBS Specification

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This product is associated with the following NBS Create clause:
45-25-95/370 Head restraint slip ties

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

Ancon

Tel:

+44 (0)114 275 5224

Product reference

[FHR Head Restraint]
[IHR-B Head Restraint]
[IHR-C Head Restraint]
[IHR-H Head Restraint]
[IHR-S Head Restraint]
[IHR-V Head Restraint]

Length

[ ______ ]

Material

Stainless steel grade 1.4301 (304)

Manufacturer details

President Way,
President Park,
Sheffield,
South Yorkshire, S4 7UR
Tel +44 (0)114 275 5224
Fax +44 (0)114 276 8543
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