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Seismic Allway Metal Floor Covers

These flush-mounted metal floor covers are for interior or exterior applications designed to provide multi-directional movement while remaining flush during thermal movement.Joint sizes range from 25.4mm - 406.4mm (1" - 16")

Suitable for a wide range of floorings and available in a variety of finishes. A heavy-duty model is available for heavy point loads.

  • SJHD — Seismic Joint Heavy Duty
  • SJP — Seismic Joint exposed Plate
Key Features
  • Flush finish
  • During seismic activity self-centring cover plate disengages
  • Heavy-duty model can accommodate 900kg (2000 lb) point loads
  • Plate is available in a variety of finishes
  • ISO 9001: 2000 compliant
  • 5 year limited warranty
Scope of Use

 interior or exterior applications

heavy-duty model is available for heavy point loads

  • Joint sizes: 25.4mm - 406.4mm (1" - 16")
  • Total movement: 100-200% of joint width
  • Larger, non-standard sizes are available by request


  • Concrete
  • Pavers
  • Carpet
  • Vinyl
  • Ceramic tile
Statement of Building Code Compliance

This product, if designed, used, installed and maintained in accordance with the statements and conditions of the technical literature, will meet or contribute to meeting the following provisions of the NZBC:

  • Clause B2 Durability
  • Clause F2 Hazardous Building Materials
In-Service History

Construction Specialties NZ Ltd. has been operating in New Zealand as a manufacturing distributor of the Construction Specialties range of products since 1988. Construction Specialties is a privately owned USA based, global company. Here in New Zealand, CS are privately owned and run as a wholly separate entity.

Recent / Current Projects:

  • NZ International Convention Centre
  • CCEV
  • Metro sports CHCH
  • Wellington Town Hall
  • Wellington Children Hospital
  • Wellington District Court
  • Wakefield Hospital
  • The Langlands Hotel Invercargill
  • Summerset group (Nationwide New Build)
  • Ormiston Town Centre
  • Cordis Hotel
  • 55 Corinthian Drive Albany

Past Projects:

  • Auckland Airport Expansion
  • AUT and UOA University projects
  • Christchurch Acute Hospital
  • The Terrace Christchurch
  • UOC Christchurch
  • Starship Hospital
Other Performance Attributes
  • ISO 9001: 2000 compliant
  • CS Seismic and Expansion Joint Covers have been tested to ASTM E1399 / E1399M - 97(2017) Standard Test Method for Cyclic Movement and Measuring the Minimum and Maximum Joint Widths of Architectural Joint Systems


  • CS Expansion Joint Covers feature a 5 year limited warranty
  • Installation: 2 years
Data Sheet: Seismic Allway Floor


Masterspec: CS Group
Catalogue: Expansion Joint Covers


Joint Selection Chart


Manufacturer and installer of wall protection systems, entrance matting, expansion joint covers, solar shading, louvres, cubicle curtain track and pressure relief systems.

Product Enquiries

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