PRODUCT INFO

The trapezoidal flute design still offers the optimum strength, mass and load-span characteristics compared to alternative profiles.

The Inverted Box Rib or better known as IBR has a square fluted profile used for Roofing or Cladding.

Available in transportable lengths and fixed by securing a screw through the narrow flute when used as roofing. Typically when used as side cladding the profile is fixed with broad flutes outwards.

ILLUSTRATIONS

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SPECIFICATIONS

The profile shall have five trapezoidal ribs at 171.5mm centres giving a nett cover of 686mm with each pan incorporating one stiffener rib. 

The rib height shall be 37mm.

Roof Pitch

IBR may be used at a minimum roof pitch of 5° for rafter lengths up to 30m. A minimum of 7.5° is required for rafter lengths greater than 30m.

Cranking

IBR 686 can be cranked from a minimum radius of 409mm for material thicknesses of 0.5mm, 0.53mm and 0.58mm.

Cranking

IBR 686 can be cranked curved to any radius greater than 800mm subject to transportation limits.

IBR 686