Our unique LineLockTM panel locking system means quick and easy installation, Cedar Creek's 1/2 inch profile depth offers excellent rigidity and attractive shadow lines, High_grade vinyl compounds and UV inhibitors mean outstanding resistance to the elements, 12 ft. 6 inch length, 8 inch exposure approx 8.33 sq ft. per piece, 24 pieces per carton 200 sq. ft. per carton, Double 4 inch Dutchlap profile