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How to lay slate on a roof by one person without helpers? Just with the help of a trick and simple devices. On the top of the roof there is a mobile device in the form of two rollers fixed on a wooden profile. The engine pulls the cable, the slate is hooked to the cable and is pulled along the guides. The engine has a toggle switch, which is clamped with a clamp and is located on the other side of the roof. An extension cord with a power button is connected to the toggle switch. All that remains is to manually load the slate onto the wheelbarrow and install it on the guides. The corners of the slate are cut on both sides so that it lies evenly. There is no need to cut it off at the edge of the roof. All that remains is to nail the slate to the sheathing with nails. One person can handle laying slate weighing 30 kg on the roof in this way. The sheathing is made of powerful 3 cm boards that can withstand the weight of a person and the weight of the slate. If you liked the video - press the thumb up, and if not - press the dislike. If you have a question - write in the comments, I will answer it. If you want to know something else - subscribe to the video. #ostanovismgnovenie