Contributions of dry construction to the energy efficiency of a home

Sustainability in construction is an issue of concern increasingly not only to architects and builders, but it is a concern that extends to everyone on our planet.

According to the United Nations Environment Program Report for November 2022, The buildings sector represents 40% of Europe’s energy demand and 80% of it comes from fossil fuels. This makes the sector an area for immediate action, investment and policies to promote energy security in the short and long term.

This energy is used both in the materials procurement phase and in the operation of the buildings during their useful life. “As the world is still dependent on fossil fuels for the generation of this energy, construction is a strong generator of greenhouse gas emissions,” he comments. Francisco Pedrazzi, president of INCOSE (Institute of Dry Construction).

Francisco Pedrazzi, president of INCOSE (Institute of Dry Construction).

The new generations are much more aware about the aspects that make up sustainability, demanding products that impact as little as possible on the environment, greenhouse gas emissions and therefore climate change. And construction cannot be exempt from these demands.

That is why Nowadays it is not possible to conceive an architectural project without considering the impact it will have on the environment, not only during the construction process but also throughout its useful life. and even more so, in the final disposal of the materials once it is finished. There are various ISO standards that allow establishing the requirements that must be considered in the design, operation and deconstruction of buildings in order to reduce their impact on the environment.

How do dry construction and Steel Framing provide construction advantages with respect to sustainability?


The specific configuration of the dry systems allows it to be accommodated inside the panels and between the profiles that make up its structure, the thermal and acoustic insulators necessary to exceed the requirements established by current municipal laws and ordinances in Argentina regarding heat transmission.

Dry construction, great contribution to the energy efficiency of a home.

The effect of the thermal bridge generated by the galvanized steel profiles of Steel Framing and dry construction It is reduced by using the so-called “thermal shield” which consists of placing a layer of external thermal insulation.

A wall in Steel Framing has a thermal transmittance of 30% on average than that provided by the same wall in wet construction., thus allowing heating and conditioning energy savings of 60 to 70%; and reducing energy consumption is the fundamental premise when building in a more sustainable way.

“It is no longer possible to think about a building only from a functional and economic-social point of view, without considering its impact on the environment.”

Francisco Pedrazzi, president of INCOSE (Institute of Dry Construction).

This savings not only translates into a direct reduction in electricity and gas costs, both for conditioning in summer and for heating in winter, but also contributes to reducing carbon dioxide emissions, the main cause of the greenhouse effect and climate change.

It must be remembered that the energy matrix of a large number of countries is heavily dependent on fossil fuels, and Every kWh saved means less carbon dioxide emitted into the atmosphere.

Almost zero emission homes


The European guidelines on energy efficiency have already indicated for several years that New homes must be nNZE, meaning Near Net Zero Emissions. And today, the efforts of European countries are focused on reducing emissions from construction materials and the emissions produced at the end of the useful life of said materials.

Decreased carbon footprint


Dry construction and Steel Framing allow an average reduction of the carbon footprint of a construction of more than 40% compared to its wet variant., only in the production stage. This value increases significantly if emissions during the useful life are considered due to energy savings from heating and air conditioning.

“It is no longer possible to think about a building only from a functional and economic-social point of view, without considering its impact on the environment. Although sustainability evaluation systems can be considered expensive, there are procedures mainly related to the evaluation of energy performance, which are accessible to construction professionals and allow the design of more sustainable buildings or the improvement of existing ones,” says Pedrazzi. .

And he adds: “It is a commitment that architects, the construction industry and governments must assume to comply with the UN Sustainable Development Goals SDGs.”

 
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