Thus, you can form a roofing that will not have strong overflows and increased pressure to the point of the roofing intersection. And, of course, a large wave of the leaf should cover a smaller wave. Such a coating will be of high -quality and durable. It is also worth remembering that when fastening the slate, it is better to first drill a hole of 6-7 mm in the sheets than to drive and screw the fasteners directly into the slate. Thus, you can avoid violation of the integrity of the slate of the slate and its leaks in the future.
