The asbestos-free CRFS (Cement Reinforced with Synthetic Fiber) sheet Brasilit Ondulada has characteristics resulted from ongoing researches, the employment of the most modern production techniques, strict quality control, detailed observation of applications and extensive knowledge about roofing products.They are manufactured up to 3.66 m in length, presenting a full line of additional parts, which allow solutions for finish, ventilation and lighting of roofs and side closings.