Metal Roofing

Metal Roofing – A Good Energy-Efficient Option

Do you know that your roofing can save energy costs? Roofing is one of the crucial parts of your housing. The roofing sheets are exposed to the sun compared to the other parts of your house. Hence, choose your roofing wisely to cut down on unnecessary costs. Usually, when people hear the term energy efficiency, they think of keeping the home cooler during the winter. But actually, energy efficiency refers to energy cost-saving, and if you consider the Western countries, they use more energy on heating than cooling. That is why you can see a lot more metal roofing here than in other countries. Many studies have shown that the shingles and metal roofs exhibit the same similarities during winters, but metal roofing tends to be 20 degrees warmer on high temperatures. It is because of less heat loss, lower surfaces, and how they are intact. Hence, in this post, let us learn whether metal roofing is an excellent energy-efficient option for modern houses, commercial, and industrial sites.

Emissivity: 

The foremost reason that makes the metal roofing sheets the perfect energy-efficiency option is their emissivity. Emissivity refers to the ability of the material’s surface to emit radiation to the emitter from where it is radiated. The emissivity is calculated in ratio for heat calculations and temperature measurement. The metal roofing is coated with hot-dipped aluminium/zinc to improve the emissivity performance of the sheets. However, some roofing companies even stone-coated their roofing to recreate the look of tiles and shingle roofs. These coatings act as a protective layer and re-emit the radiation to the atmosphere up to 90%. Thus, you can’t find the emissivity factor in other roofing materials.

Reflectivity:

Another prime factor that makes the metal roof an excellent energy-efficient option is its reflectivity factor. The reflection factor refers to the ability of the roofing to reflect the solar radiation to the source rather than letting it into the atmosphere. For example, consider your car’s metal hood, which gets heated drastically by the heat from the engine and sun. But the metal’s temperature goes down once you park them under the shade and off the engine. This is what happens to your metal roofing, where the heat is dissipated rather than absorbed. The JSW roofing sheet dealer in Chennai offers quality roofs with perfect reflection coating.

Thermal resistance:

Thirdly, metal roofs have more thermal resistance than other roofing materials. Thermal resistance is the measurement of the temperature difference of roofing material to resist the heat flow. As mentioned earlier, the roofing is coated with an external layer of zinc and aluminium which offers excellent resistance to heat flow. Metal roofing provides thermal performance of up to 218% compared to asphalt shingles. Many choose metal JSW colour coated sheets for their roofing because of higher thermal performance. 


Hence, these three factors make metal roofing an excellent energy-efficient option. However, it would be best to have a framework to keep the roofs intact, and Crayon Roofings are the best C purlin manufacturers that offer quality frameworks to your roofing.

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