Like gable roof sheds, the steep pitch of skillion roof sheds help with water runoff. Their angle is also well-suited to adding an visually appealing look to your shed. Except for larger models (5.410m and 6.170m), which include double sliding door, Col Western skillion roof sheds come with a single sliding door. Sheds range in size from 2.340m x 2.340m x 2.075m to 6.170m x 2.340m x 2.075m, with prices starting at $570.00.