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The Purpose of Insulation

Cold weather is not the most comfortable of settings for human life. A lot of functioning is impaired in the cold, a movement is reduced due to wearing more layers, and the constant action of hypothermia makes the senses duller. A way to make temperatures more tolerable is by Insulation, the most common practice being that of Wall Insulation. There are two types of wall insulation, external wall insulation, and cavity wall insulation.

  • External wall insulation (EWI): if the walls are subject to vandalism and a special attention to older buildings with concrete beams which act as thermal barriers.

External wall insulation generally involves putting an insulation layer, and then a weatherproof layer called a render. Dry rash render is the most commonly used one; a drying aggregate is thrown over a wet render creating a natural finish. A synthetic one which has manufactured aggregates containing glass and ceramics are also used. Synthetic finishes are more expensive than natural ones. There are other types of mixes like scratch plastic renders, roughcast renders, silicon-based renders, Tyrolean finishes and acrylic variants and so on. As innovations in materials engineering continue, there will be more advanced and more types of renders and aggregates that are discovered. Installation of EWI reduces carbon emissions, and a lot of governments such as that of the UK have offered cash compensation on houses which include EWI.

  • Cavity wall insulation: A system in which the walls are made to inhibit heat transfer by filling the airspace with an insulation material, the said material immobilizes the air within the cavity thus preventing convection and saving up on energy costs. This procedure is generally done during the construction of the building and is a one-time job. During construction, cavities are filled with glass wool or rock wool slabs between the two leaves of the wall, but other building materials are also used which provide different types of advantages. Older building without insulation can be retrofitted with fibrous materials like glass wool, cellulose in the cavity via holes that can be drilled in the walls; foam can also be used in the cavities. This is a more cost-efficient way to insulate walls. Countries like the UK provide free cavity insulation services, to help with the cold and wet weather.

There are many services in India, and a significant number of wall insulation contractors have started businesses. India also plays host to a variety of weather conditions and insulating walls must be of great importance to sustain a comfortable lifestyle. Wall insulation companies also specialize in analyzing what sort of insulation is needed, depending on the place and seasonal weather in the region.

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The Purpose of Insulation


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