In this method, a

It is quite reliable, although, in principle, not very fast, it is a method of warming with heating cables. In this method, a frozen pipe is wrapped with foil or special aluminum self -adhesive film. Then, over the film, the pipe is wrapped with a heating cable with a spiral and fixed with tape the resulting "structure". So that the cable does not overheat and does not damage, the spiral’s step is at least 8-10 cm. At the same time, it is important to exclude heat loss. For this, it is recommended to lay the insulation on top of the cable.