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What Is A Trapezoidal Rib Roof Profile?

Views: 666     Author: steelmama roof sheet production line     Publish Time: 2024-07-15      Origin: steelmama trapezoidal roof sheet machine

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A trapezoidal roof sheet has a ribbed trapezoidal-shape pattern across the panel.     This means, it is a quadrilateral that has just a single pair of parallel sides.    Sometimes, trapezoidal roofs are mistakenly referred to as corrugated.    This is a misnomer as the corrugated profile has a repeating wavy pattern across its surface.    Trapezoidal rib roofs are popular with producers because the shape makes them very material-efficient (a high strength-to weight ratio).

IBR metal roof sheet

trapezoidal metal roofing forming machine

IBR roof sheet makes for a very cost-effective profile.  The shadows of the trapezoidal shapes offer clean lines whether installed vertically, diagonally, or horizontally.  IBR roof sheet also possess good structural characteristics and can carry design loads well (e.g. for snow and wind uplift).   However, it is not considered as premium a profile as standing seam due to its attachment method.

trapezoidal roofing sheet machine

Trapezoidal Sheet Metal Production Line

Typically, trapezoidal roofs are face-fastened, or through-fastened (aka, exposed fastened) – meaning the panels are held in place by fasteners that pierce through the material with washered screws anchored into the structure.  Rib spacing varies from 6” to 12”, and may have tiny “minor ribs” between that help to stiffen the panel.  Although they may generally look the same at a glance, the exact dimensions and angles vary from one producer to the next.  Popular all over the world, trapezoidal rib roof sheet machine are less expensive than conventional standing seam roof machine profiles.  And there are actually standing seam profiles machien that also borrow the benefits of the trapezoidal roof sheet roll forming machine.  In fact, they are industry standards for large buildings owing to cost-efficiencies of the trapezoidal rib geometry.

IBR metal roof sheet forming machine

high speed trapezoidal sheet roll forming machine


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