Five Rib is an economical five ribbed trapezoidal profile that has an attractive appearance that is suitable for domestic, commercial and industrial buildings.
Five Rib is a cost effective alternative to other types of domestic roofing, offering clean straight lines and minimal laps. It is also a cost effective option when used as a commercial or industrial roof.
Five Rib clear matching profile sheeting is available in a variety of specifications. Minimum pitch should be no less than 3 degrees.
Five Rib is available in zinc coated and pre-painted steel in .40g and 55g (base metal thickness) and plain and pre-painted Aluminium .70g and .90g
Steeltite 12gx55mm and Timbertite 12gx65mm, Class 4 fixings compatible with the material being fitted. Class 4 Coasters 75mm.
Provision should be made for thermal expansion.
Foot traffic up the roof should be in the pan of the profile. Foot traffic across the roof should be on the purlins.
All materials should be checked for their compatibility and their warranties as to the suitability in the environment to which they will be exposed. Warranties must comply with the maintenance recommendations as set down by the material.
For design details and best practice applications, please refer to NZ Metal Roofing Manufacturers’ Code of Practice.
Custom cut to length subject to available transport
|Zinc Alloy||Steel||.40BMT||AZ150 (150GM/M2)||G550 Mpa Yield Stress|
|Zinc Alloy||Steel||.55BMT||AZ150 (150GM/M2)||G550 Mpa Yield Stress|
|Pre-painted||Steel||.40BMT||AZ150 (150GM/M2)||G550 Mpa Yield Stress|
|Pre-painted||Steel||.55BMT||AZ150 (150GM/M2)||G550 Mpa Yield Stress|
|Pre-painted||Aluminium||.70BMT||5052||305 Mpa Yield Stress|
|Pre-painted||Aluminium||.90BMT||5052||305 Mpa Yield Stress|
ZinaCore – For general exterior roofing and cladding applications NOT suitable for use in severe or very severe marine environments
MagnaFlow – For general exterior roofing and cladding applications NOT suitable for use in very severe marine environments
AlumiGard – For general exterior roofing and cladding applications suitable for use in up to very severe marine environments
Only qualified approved roof installers should be used on your contract.
All installations should be to the standards as set out in the NZ Metal Roofing Manufacturers’ Code of Practice.