The trapezoidal corrugated TRD-91.5 is a product made in plant by a stationary roladora from steel roll Ternium Zintro, Ternium Zintro Alum o Ternium Pintro, whose geometry satisfies the dimensions set by the SDI (Steel Deck Institute) for the profile called "Wide Rib" or Type B, and Standard ANSI / SDI-RD1.0. This product is picklable (anidable) and therefore traslapable.