• Any roof pitch above 3 degrees in roof runs up to 90m
• Ultimate Wind loads up to 5 kPa are handled by screws or clip fixings
• R values up to 6.35 m2 C/W
• Acoustic performance of the PIR insulation carries a STC 33 rating (a better STC can be obtained by using an additional high density layer under the roof on top of the insulation)
• The liner sheet can take foot traffic loads of 1kN on internal purlin spans up to 3.4m and act as both a working platform and means of rapid enclosure of the building space below

• Roof pitches below 3 degrees would need a membrane top layer which replaces the top roof sheet and slotted roof rail
• Corrosive environments can limit the durability of steel components

Dimond confirm the Tricore roof system will meet the requirements of the NZBC for 15 years, provided it is installed and maintained in accordance to Dimond recommendations.

• Clause B2 Durability
• Clause E2 External moisture as an alternative solution to AS1
• Clause F2 Hazardous building materials
• Clause H1 Energy efficiency

The liner sheet and PIR insulation have been used by Dimond's supply partner Nuralite since 2012 without issues.

Dimond roof profiles have been used in compliance with NZ Building code for more than 20 years.

• System material warranty for a period of 15 years from date of installation