MAJAFLOORDECK ® is a steel  with Hot Dipped Galvanized wave-shaped plate, and it is made of high-grade structural steel with high-tensile steel JIS G3302 SGCC. MAJAFLOORDECK®  has a tensile stress / tensile Streght from 480 MPa to 550 MPa (G480 - G550), and has the function double as permanent formwork and the reinforcement direction (positive).