Thanks to their unique appearance and excellent performance, translucent facades are gaining increasing popularity among architects and developers today. The facade of a building, consisting of glass and a frame, into which this glass is inserted, can have different colors, properties, shapes (vertical, inclined horizontal), etc. Despite the fact that the visible part of the facades is always glass, they look invariably diverse, effective and modern. At the same time, modern translucent structures are complex systems on which the energy efficiency of the entire building largely depends. Is it possible to solve the issue of energy saving with the help of translucent structures?
Over the past years, energy conservation has been one of the highest priority government tasks in Russia. A purposeful state energy-saving policy is being pursued, the essence of which boils down to sustainable provision of the population and the country's economy with energy carriers, increasing the efficiency of the use of fuel and energy resources, and ensuring the state's energy security. Experts' calculations show that an increase in energy efficiency in Russia by at least 1% will increase the gross domestic product by almost 0.35–0.40%.
Now, in order to heat one square meter, in Russia it takes five or even six times more fuel than in Sweden, no warmer country. Meanwhile, we pay for heat and light not only with money (which is, of course, forgotten in everyday life), but also with greenhouse gases that are released into the atmosphere and affect the climate and lead to its change. Extraction, processing, transportation, combustion, production of electricity, heat - all together this has a detrimental effect on the ecological balance of our planet.
In accordance with the energy conservation policy, a state program for increasing energy efficiency was developed, aimed at making the population aware of the problem of energy saving. This program, among other things, addresses the introduction of energy-saving technologies in the construction of new homes. It should be emphasized that the end result, i.e. the effect of these measures affects not only the one who will serve this site, but also the ordinary consumer, who will save on energy costs.
A set of regulatory documents on the energy efficiency of the construction industry has also been developed. For example, in accordance with the decree of the Government of Moscow, the City Program “Energy-saving housing construction in the city of Moscow in 2010-2014. and for the period up to 2020 the task was set to ensure the resistance to heat transfer of windows in residential buildings not lower than 0.8 m2 · C / W.
The thermal insulation qualities of translucent and facade structures must be given priority attention when solving the problem of energy saving. Many experts are familiar with a cross-sectional image of a single-family house, which shows the shares of energy revenues and losses estimated for the conditions of Central Europe. The share of window (facade) structures accounts for 47–67% of all heat losses from the building (of course, taking into account the heating of the infiltrated air). That is why, abroad, the requirements for thermal protection of translucent structures are of paramount importance.
So, in the European Union, in accordance with the requirements of EnEV 2009 from January 1, 2009, the minimum resistance to heat transfer of windows should be 0.7 m2 deg / W. In 2012, even stricter standards EnEV 2012 will be introduced, according to which the minimum resistance to heat transfer must be at least 1.1–1.25 sq. Deg / W.(Here it should be borne in mind that the resistance to heat transfer of the same structures, estimated in Europe and in Russia, will differ by 10-15%: the data of European laboratories will be higher due to different boundary conditions during testing.)
So, translucent structures are the main cause of heat loss from premises (50–70%), therefore, the quality of glass units and profiles from which translucent structures are made plays a significant role in the energy efficiency of a building.
The ALUTECH Group of Companies, one of the largest manufacturers of aluminum profile systems in the CIS, has offered its solution to the issue of energy saving for translucent structures by developing a number of systems that meet the most stringent energy efficiency requirements.
New systems fully solve the issues related to cost savings to create a comfortable indoor climate.
Classic post-transom system alt=" F50
To obtain the necessary thermal and sound insulation properties of the enclosing structure in the alt=F50 series, a set of thermal inserts (thermal insulators) made of solid, shock-resistant polyvinyl chloride (PVC-U-HI) with high thermal insulation parameters, a co-extrusion sealant (patented solution) and a set of sealing gaskets based on ethylene propylene rubbers (EPDM).
Thanks to the optimal combination of these components, the following thermal insulation indicators are achieved: for a translucent facade with a 38 mm glass unit (6M1 (reflex) -12Ar-I4-12Ar-I4), the reduced heat transfer resistance is 1.04 m2 C / W.
Frame glazing system with increased thermal break alt=W72
The ALTW72 system is used for the manufacture of window, door and more complex translucent structures for energy efficient and passive buildings. New technologies and materials, modern design methods make it possible to manufacture structures in accordance with the highest requirements.
The series has a depth of 72 mm and a multi-chamber thermal break with a width of 34 mm. Thermal and sound insulation performance is increased by additional foam elements. The ability to install infill up to 50 mm allows you to achieve the highest levels of heat and sound insulation.
Characteristics of the ALTW72 window structure:
Sound insulation - up to 43 dB
Thermal insulation - 1.0 Wm² / С °
Wind load - A
Light transmittance - class 2
Water permeability - A0
Air permeability - A
Go to the website of the ALUTECH Group of Companies >>
