The profile is roll-formed with 6 trapezoidal ribs at 203 mm, centres with a net cover of 1015 mm. The rib height shall be 26.5 mm and shall be fixed in accordance with the manufacturer’s recommendations.

  • Category: Pierced Fix Profiles


Product Description and Features: 

  • Trimflute is a subtle square fluted profile. The long flute gives the profile its strength with long spanning capabilities. Trimflute can be used as a roofing as well as a cladding profile.
  • The square flutes of Trimflute ensure excellent drainage characteristics.
  • The contemporary appearance of Trimflute is aesthetically appealing.

Sample Specification: 

Safintra 0.50mm thick, Zincal® AZ 150 Trimflute profile roof sheeting, fixed to internal steel purlins at 1700mm centers and to ridge and eaves purlins at 1500mm centers, with Fixtite® or Safintra approved #12 x 65mm ex head self-drilling screws at every second crest, internal purlins and every crest. Eave purlins Side laps to be stitched at 500mm centers between purlins with #14 x 22mm metalfix stitching fasteners, all in accordance with the manufacturers recommendations. The sheeting shall be Trimflute type profile as manufactured by Safintra. The profile shall be roll-formed with 6 trapezoidal ribs at 203mm, centers with a net cover of 1015mm. The rib height shall be 28.5 mm an d shall be fixed in accordance with the manufacturer’s recommendations.



Purlin Spacing: 

Purlin Spacing's are dependent on both downward loading and negative suction loading caused by wind. An engineer should be consulted to calculate your load (kN/m2) for your particular application.


Lengths and Roof Pitch:

When using Trimflute sheeting the recommended minimum pitch for roof slopes in excess of 15m is 10° and for slopes less than 15m is 7,5°. Trimflute sheeting can be ordered in any length, subject to transport limitations, up to 13,2m. Longer lengths require special transport arrangements.

Fixing Guide: 

Trimflute is pierce fixed to timber or steel supports. This means that fastener screws pass through the sheeting. Always drive the fasteners perpendicular to the sheeting, and in the centre of the rib. It is recommended that side laps be stitched at 500mm centers. Its further recommended that every rib is fixed at the eaves, ridges and the apex of the roof. The rib of Trimflute with the capillary groove is always the under- lap. It is generally considered good practice to use fasteners alongside-laps.

Refer to the Fixtite Fastener section for fixing guidelines.


Download Spec Sheet

Trimflute Spec Sheet.pdf