DN Steelโs W-885 with its 95mm deep rib height is best recommended for 1โฐ to 3โฐ sloped roofing, more often used in industrial & commercial applications. Available in DN Cauayan Steel Corporation, located at Purok 7, Gov. Faustino N. Dy Blvd., Cabatuan Rd. San Fermin Cauayan City, Isabela