Steel liner profile, 32 mm deep and 1000 mm wide.

Features and benefits:

  • The polyester coating can last the life of the building (in normal, controlled and unpolluted atmospheres).
  • Walkable at 1.8 m spans once fully fixed.
  • Provides lateral restraint to sheeting purlins.
  • CE marked, and manufactured in accordance with BS EN 14782.


Suitable for use in internal conditions (to BS EN ISO 13788: 2002 and BS 5250: 2002, humidity classes 1–4).


  • End laps: 5 x 6 mm Class A butyl to be laid within and compressed by the end lap.
  • Side laps: 0.6 mm x 50 mm x 35 m self-wound polyester film/ butyl strip or similar to be used.

To minimize the risk of foot damage, avoid the use of single spans as much as possible.

See manufacturer's literature for key installation requirements.

Standard product features


Galvanized steel, grade Fe E220G Z275 to BS EN 10346: 2009.


32 mm.


1000 mm.


0.65 mm.


6.4 kg/m².

Technical characteristics:

  • Non-fragility rating (to ACR[M]001): Class B.
  • Fire performance (to EN 13501-1): Internal surface spread of flame: Class 0 (low risk); reaction to fire classification: A1.



If factory curved, the maximum available length is 5 m.

Primary fasteners:

Manufactured from carbon steel. End laps of 60 mm minimum. Edge distance of 30 mm (minimum). Stitchers are not required.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-65-52/345 Low carbon steel linings

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Ark Profiles Ltd


+44 (0)1332 504002

Product reference

ArkLiner 32.1000.200-0.65


[ ______ ]

Colour/ Finish

15 μm polyester RAL 9010 visible side finish


[Not required]
[Crimp curve to 1 m minimum radius]
[Natural curve to 40 m minimum radius]

Primary fasteners

5.5 mm diameter, with 16 mm diameter sealer washer

Manufacturer details

Unit 5 & 6 ,
Heritage Business Centre,
Derby Rd,
Derbyshire, DE56 1SW
Tel +44 (0)1332 504002
NBS Plus
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