Heating Of The Roof And Gutters - A System Of Heating Cable Teploskat
In winter, under the influence of atmospheric heat and heat of the roof is melting snow
. The resulting melt water at the same time, meeting on the way the cold areas of the roof and gutters, freezes. Fast enough, this process leads to the formation of ice jams in the gutter system. If it is impossible to further drain water overrides that impasse, and poured over the edge of the gutter system is transformed into icicles, which in a few hours can reach tens of meters long and weigh hundreds of pounds.
De-icer systems for roofs and gutters on the basis of heating cables, providing a flow of melt water in the winter, have the following advantages:
prevent clogging and damage to the ice drainage system
preclude the formation of ice dams, icicles, and the disruption of snow-ice mass from the roof of the building
eliminate the need for mechanical cleaning of the roof and gutters in the winter
to minimize the cost of an expensive re-roofing
do not require human intervention, completely fulfilling the functions of management
has a minimal power consumption, working only in the fall or snow melt, when possible formation of icicles and ice dams.
In the design of anti-icing system should certainly be taken into account the following factors:
climatic zone
type of roof (cold or warm), roofing material
type and size of drainage system
construction of a drip, etc.
That consideration of these and other parameters allows our specialists to properly design a de-icing system that takes into account all the features of the heated object.
What you need to heat and why it is necessary
As mentioned above, Deicing system in the first place is to prevent clogging by ice and heated to provide a channel for drainage of melt water from your roof. Heated channel is needed, where the melt water will flow - an organized system of drainage, ie, of gutters and downpipes. The average power required for heating 1m.p. drainage, should be 30-60 W / rm.
Quite dangerous in terms of accumulation of snow and ice are the valley and the junction of the roof. The ice jam in the lower parts and the lack of channel flow causes the water begins to rise from the bottom up. As a consequence - the destruction of waterproofing roofs and the appearance of leaks, leading to expensive repairs. To solve this problem is usually sufficient to heat the bottom of the valley at the half - one third of its length with an average power of 40-60 W / m.
In the lower sections of pitched roof often enough there is a significant accumulation of snow and ice. This primarily refers to the "warm roofs". So we call a roof with insufficient insulation, heat loss through which lead to the melting of snow at lower ambient temperatures. This, in turn, promotes the formation of ice jams on the lower slopes of the cold roof. In this case, the obvious need for heating of the lower slope (0.4 - 0.5m from the edge of the roof), whose power should be around 200 - 250 W / sq.m. To prevent the descent of the snow and ice masses from higher situated areas of the roof snow retention elements are usually set.
If the drainage system of the building provided the cold ground drainage (or drainage, located in the zone of soil freezing), it will prevent the accumulation of heating the ice blind area and provide a complete removal of melt water into the drain well.
In some cases, requires heating the drip edge, especially in buildings with gutters, equipped on the slope of the roof itself. Here, because of the dead zone below the trenches, the formation of icicles on the drip edge, emerging from melting snow in the area.
On roofs with internal drain blockage is often a problem of rainwater heads. Their heating provides drainage of melt water and prevents the formation of water-jams.
It should be borne in mind that only qualified professionals will be able to properly and fully assess the necessary scope of work and offer you the optimal solution corresponding to the requirements of your facility.
For details and expert advice at your facility please contact our staff by phone. (495) 780-71-36 or send us a request on the account.
What is in Deicing System
Heating cables
The main component of anti-icing system - is heating cables, which can be divided into two types - self-regulating and resistive.
Resistive Cables - Cables DC resistance, heat generation occurs in the current-carrying conductor due to its resistance and is virtually independent of ambient temperature.
make gutter heatersSelf-regulating cables is cables, which the heat can vary significantly (self-regulate), depending on the ambient temperature and humidity. As the temperature and melt water when necessary to increase the capacity of heat increases as the temperature increases - decreases. This ensures an efficient and economical operation of electric heating. The main advantage of resistive self-regulating cables before - that they will not overheat or burn out even with self-intersection, and in poor heat transfer (for example, being covered with pine needles or leaves). Therefore, self-regulating cables are widely used in de-icing systems for roofs.
All cables used by "Teplolux Service", fully adapted to the Russian winter, have a high moisture resistance, resistance to temperature and solar radiation are required certificates of compliance, fire safety and hygiene certificates.
More about heating cables... - see the product catalog.
Automatic control system and electrical
For timely on / off the system and ensure its efficient operation control is carried out electrically by means of electronic thermostats and sensors. The presence in the air temperature sensor, water sensor, and rain sensor provides the only system in the fall of snow on the roof and the formation of melt water. Such processes are most likely to occur in the temperature range from -15 C to +5 C, which is monitored by sensor. In accordance with the requirements of the electrical system must provide for residual current circuit breakers, and the corresponding value. All of this assembly with a control thermostat (controller) is a control cabinet.
Details about the systems of management and temperature control... - see product catalog
Power and Information Network
Connecting the fins and sensors to the system of automatic control is carried out using the power distribution (power and data) network. It should be borne in mind that in order to complete installation of electrical power and information networks should be carried out in accordance with the requirements of the EMP.
Fasteners
The main task of installation - it is not only the installation of electrical, but also to preserve the integrity of the roof itself. Modern technologies and equipment of last generation used by "Teplolux Service", as well as fasteners specifically designed for each heated zone to allow installation of electrical systems intact roof and gutter system object
by: Samson144
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