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Formed in the winter icicles and ice lead to destruction of the roof system, deformation, rupture of sewers and water damage to the facades. Located on the roof of precipitation, which do not represent any danger. But there are conditions for the melting of snow, while it turns to water.
If for no outflow of water, then freezing, the water turns to ice. This mechanism of formation of ice dams can lead to the formation of icicles over ten meters in length and weighing hundreds of pounds.
To protect against ice dams, icicles and snow on the roof of the cable system installed special heating and de-icing.
The advantages of heating and de-icing gutters and roof:
Removal of dangerous icicles formed, reduces the risk of creating accidents
Protects facades and roof from damage
Increases the life of the roofing system
Allows you to save on maintenance and cleaning of the roof from the roof ice dams and icicles
Raises the aesthetic appeal of the building
The principle of operation of cable heating system and roof gutters
In the most vulnerable places the roof (gutters, gutters and other) heating cable is laid.
With the help of humidity and temperature sensors mounted on a roof, “read” the weather conditions and the impact on the thermostat that controls the system.
gutter heaters
When the weather conditions conducive to the formation of ice – it appears during the rainfall in the cooler times of the year or melting snow on the main part of the roof during the melting of snow – the system is switched on and heating cable is starting to give off heat. Formed with the water safely and easily flows down the drains and gutters. To ensure the free flow heating cable is installed on the water all the way.
A typical defrost system includes in its membership the following components:
1.nagrevatelnye cable;
2.termoregulyatory;
Three. wiring products (circuit breaker, circuit breakers, magnetic starters;
4.montazhnaya box;
Five. set of connections (couplings);
6.kontsevye stub;
7, 8. fastener.
The main element of the anti-icing gutters and roofs – a heating cable. Based on the technical features of objects, tasks and opportunities of customers it is possible to use several types of heating cables: self-regulating and resistive. More reliable, efficient and economical to use self-regulating cable. They are designed as a distributed resistance, which will ensure equal tension between the tires the entire length of the cable.
Additional polymer that makes up the core of the cable, regulated output power cable according to changes in external temperature factors (the lower the temperature, the more heat will allocate system). Cable effectively save electricity, does not overheat the material of the roof. The disadvantages of self-regulating cable can be attributed to a rather large value compared to the resistive cables.
Managed anti-icing system of an electronic regulator. Depending on the job, the customer’s requirements and characteristics of the building is selected, or the remote control sensor, or a mini-weather station with humidity sensor and temperature (heating is automatically activated when the presence of precipitation).
Article Source: sooperarticles.com/home-improvement-articles/roofing-articles/anti-icing-system-roof-drains-822133.html
About Author:
I am roof maker. gutter heatersAuthor: Samson Sargsyan