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System configurations

The Kalzip low U-value system is available with four types of roof lining

Standard liner tray over purlins

    1. Inverted liner sheet over purlins
    2. Vapour control layer
    3. Kalzip insulation 23
      (2400mm x 1200 mm boards)
    4. SFS lso-Tak fastener system
    5. E clips fixed to inverted channel
    6. Kalzip Insulation Plus range
    7. Kalzip top sheet


Liner-deck spanning between purlins


Liner-deck roof system
The liner-deck roof system is a variation of the standard liner roof system. A higher structural grade of steel is used to allow the clip rails to be positioned away from purlins.

Structural metal deck spanning
between rafters


Structural deck roof system
The structural deck roof system is a variation of the standard liner roof system. A higher structural grade of steel is used to allow the clip rails to be positioned away from purlins.

Timber decking



Timber deck roof system
Timber (of SIPS) decking provides a popular sustainable solution for supporting roof constructions. Please contact our technical services department for fastener pull out values.


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