Auckland Airport Vrib and BB900

Dimond Brownbuilt 900 (BB900) Roofing and Cladding

Suitable for 3° and greater

900mm Cover width

960mm Sheet width

Brownbuilt 900 (BB900) has a high rib

Suitable for residential

Suitable for light commercial

Suitable for commercial

7 ribs per sheet

Brownbuilt 900 (BB900) is manufactured in Auckland.

Suitable for Modern

Suitable for Monopitch

Suitable for Apartments

Suitable for Townhouses

Suitable for Hips

Suitable for Rake Cuts

Suitable for Valleys

Suitable for Mono-pitch

If this product is not suitable for your project... Click here to find product options suitable for your requirements.

    • Suitable for 3° and greater

      900mm Cover width

      960mm Sheet width

      Brownbuilt 900 (BB900) has a high rib

      Suitable for residential

      Suitable for light commercial

      Suitable for commercial

      7 ribs per sheet

      Brownbuilt 900 (BB900) is manufactured in Auckland.

      Suitable for Modern

      Suitable for Monopitch

      Suitable for Apartments

      Suitable for Townhouses

      Suitable for Hips

      Suitable for Rake Cuts

      Suitable for Valleys

      Suitable for Mono-pitch

      If this product is not suitable for your project... Click here to find product options suitable for your requirements.

Dimond Brownbuit 900 Profile

Brownbuilt 900’s strong angular ribs resist bucking, offers good resistance to foot traffic whilst maintaining an eye-catching aesthetic. Primarily used in large scale commercial buildings, BB900 also creates a striking look on a home.

When inverted BB900 Reverse Run can be used as wall cladding; enhancing the design of your project.

Brownbuilt 900 Profile

Brownbuilt 900 Profile Dimensions

Cover

900mm

Sheet Width

960mm

Minimum Pitch

3° (approx. 1:20)

All dimensions are nominal

Sheet Tolerances

Sheet width: ±5mm

Sheet width for aluminium: +0, -15.  If sheet cover widths are critical, advise Dimond at time of order.

Sheet length: +10mm, -0mm. For wall cladding where notified at time of order of intended use, tighter tolerances can be achieved +3mm, -0mm

Profile Properties

Material Options Steel 0.4 Steel 0.55 Steel 0.75 Aluminium 0.7 Aluminium 0.9 Stainless Steel 0.55 Duraclad 1.7 (total thickness)
4.12 Nominal weight/lineal metre (kg/m)5.55 7.47 2.31 2.96 5.36 2.90
Drape curved roof - min. radius (m) n/r 90 90 n/r 90 n/r 24
Purlin spacings for drape curved roof (m) (l) n/r 2.4 2.4 n/r 2.4 n/r 1.2
Machine crimp curved - roof min. radius (mm) n/a n/a n/a n/a n/a n/a n/a
Unsupported overhang (2) 250 350 450 200 300 350 200

(1) Recommended maximum purlin spacing at minimum radius

(2) Based on 1.1kN point load support, but not intended for roof access.

n/r - not recommended

n/a - not available

Roll-forming Facilities

Auckland

Duraclad Manufacturing Facilities:

Auckland

Sheet Lengths:

BB900 is custom run to order. Where long sheets are used consideration must be given to:

  • special transportation licences for sheet lengths over 25m
  • site access for special lifting equipment
  • fixing techniques to accommodate thermal expansion
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