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Country Houses

August 12, 2017 18:06

Heated gutters and roofs with their own hands with the help of resistive and self-regulating cable

domestic climate is different softness in winter constantly have to deal with an abundance of snowfall and extremely low temperatures.Such weather conditions do have consequences for the roofs of houses affected by large masses of ice and snow.Accumulations of snow on the roof are a real danger to humans: the collapse of the roof can lead to tragedy, as well as the failure of a random icicles.

To avoid these unpleasant effects, experts recommend heat drains with special cables, focused on snow kindling not only in the trenches, but also in the pipes.Despite the high cost of the system, it is quite justified, does not allow snow masses to destroy the roof and transferring moisture away to a safe distance for the foundation.Practice shows that the cheaper cabling system exclusively through the channels is inefficient and unacceptable, since tap water may be broken due to frozen pipes, or simply break the ice inside the pipe.


Heated drains may be using several methods based on the use of various types of cable.Stacking system may well be carried out on its own, but the calculations and the final adjustment is to trust the experts to ensure absolute safety.

Do I need drains heating?

So why do you need to heat not only the roof, but also drains?Response, in general, on the surface: preserving the integrity and accuracy of the flow of water in the system is only possible if the water is completely removed from the roof.The heating power supply cable must be installed in the following locations:

  • Chutes water runoff;
  • Roof eaves;
  • Funnels gutters on;
  • entire length of the drain pipes;
  • trays of water collection and drainage;
  • joints individual roofing elements.

heating gutters plan must relate to the project, according to which the whole roof is heated, because individually they work will be useless.Systems that prevent the formation of ice, involve the use of not only the cable sections, and temperature controllers, valves, as well as the main console, from which the system is operated.

full - circuit - placement - and - mounting - system - heating

Features heating organization

scheme heat sinks and roofing depends on many factors, among which I note the following:

  • variation of the heating cable;
  • type roof;
  • regional climatic features.


Warm roof insulation can be called a disadvantage, because it leads to a build-up of ice.Even in very low temperatures such roofs contribute to snow melting, because of which the water falls on the edge where freezes.To prevent dangerous icicles on the edge of laid heat tracing section of a loop manner.Each loop has a width of 30-50 centimeters, and the specific capacity of the system can range from 200 to 250 watts per square.

somewhat different approach involves the organization of heating water flows and cold roofs.These different quality roof insulation, as well as often imply the presence of attic with good ventilation.Therefore designs quite suitable heating gutters, linear power which would be at around 20-30 watts per square meter.It is also a gradual increase in capacity at the same time, it increases the length of the pipe.Each cable must be connected with a special device allowing to urgently turn off the system.


Among the features of heat sinks is also called and the correct calculation of length and cables position.In consideration should take the length of the valley, the total length of the pipe, as well as the total length of all system elements.10-15 centimeters gutter suggest about 45 watts of power per meter.If the width of the trough is 15 centimeters, the weather at standard conditions is calculated power of 200 watts per square.

Species cable

resistive cable

heating gutters can be based on the use of various types of cable, which is laying on its own might well be carried out after all sections are designed and details of the system.As generally used self-regulating and resistive cables.

distinctive feature of the resistive cable - low cost.His work is based on the fact that when you connect to the network core begins to heat up.Heating based on this method is very simple.The system is operated with a minimum expenditure of energy.The main advantages are:

  • Low price;
  • No need in the starting current during start-up;
  • continuous power.

Note that the last property can become a tangible disadvantage, because the different parts can be observed different thermal energy demand.If you have decided on their own to lend a resistive cable, its laying is conducted either along the pipes and gutters, or WRAPPING these designs.

best option is considered to be resistive cable assembly zone type, which has a special heating filament through nichrome.Heat input power in such a situation does not depend on the length of the cable may be even cutting at the appropriate needed.

self-regulating cable

cable Use with self-function significantly increases the overall reliability of the system, but it makes it much more expensive.Less cable also consists in the fact that he is fit only a limited period, as its matrix over time, aging.The main advantage of the system lies in the fact that the cable is capable of automatically changing the resistance, highlighting the perfect amount of heat.