Is Metal Roofing Energy-Efficient?


The roof is the one part of your house that’s bound to have access to plenty of energy from the sun. It will be best to consider a metal roof’s efficiency in energy conservation. Can the metal roofing increase or reduce energy consumption in your home?

Luckily, there are different types of roofs, so you have the freedom to choose roofs with energy-efficient properties. If you have no idea about energy-saving roofs, you can consult a roofing company like Roof Master & Construction to help you out.

What does it mean when a roof is energy efficient?

Roofing experts have discovered a way to ensure that your roof functions to ensure that you don’t spend more on energy costs. Follow this  to learn more.

This article will explore thermal performance and metal roofing. Read on to learn more.

Evaluating Metal Roofing Energy Efficiency

An energy-efficient metal roof can save you up to 40% on energy costs. Three elements are relevant when examining the energy efficiency of metal roofing.


Emissivity describes the roof’s ability to radiate heat from the sun. Metal roofing has emissive properties, which is handy when used in commercial setups such as warehouses.

Sometimes the metal has a granular coating to make it more emissive. The granular layer may change the appearance of a metal roof to like tile or shingle roofs.

Roofing experts use them for an essential role in improving thermal performance. Such a metal roof re-emit about 90% of solar radiation. That way, heat goes back to the atmosphere rather than your space.

Thermal Resistance

Thermal resistance is defined as the measurement of temperature difference when a material resists heat. Metal roofing has a higher thermal performance than other types of roofing, such as shingles.


Thermal resistance refers to how a roof reflects heat back towards where it came. Metal roofing reflects energy away from your home. Other nonmetal forms of roofing, such as shingles, tend to absorb heat instead of reflecting it away.

The performance of a metal roof in this context is even better when a roof has a reflective cover. Usually, the reflective materials used are highly reflective coating with cool pigments, which increase reflectance.

It reduces the amount of energy needed to run air conditioning units. It is also a plus to have a roof with high reflectivity as it can make unconditioned rooms more comfortable.

Looking at the three features listed above will give you a better idea of what you may expect from a metal roof. The factors listed below are important in maintaining energy efficiency.

Factors that Improve Metal Roof Energy Efficiency

Most homeowners would give anything to have a refreshing space to stay in, regardless of the season. A roof plays a significant role in determining conditions in your room.

It is essential to understand how various factors can affect roof energy efficiency. That way, you learn what you can do to ensure energy efficiency.


If your house has a tight seal that prevents air from outside from coming in, then it will ultimately affect your roofs’ energy efficiency abilities. For this reason, a sealed envelope is suited for a cooler climate.

The most effective type of ventilation is above sheathing. It works by creating a ventilated gap between a metal roof and the substrate underneath. Heat circulates through the airspace and returns to the atmosphere.

If that didn’t happen, heat would get absorbed back into the building. It will benefit you to consider ventilation if you live in areas with extreme heat.


You can get metal roofs in a variety of colors. The kind of paint used on roofs is not regular paint. Instead, its paint is infused with advanced technology to add reflective pigments to the paint systems.

Cool roofing is a product of paint systems with reflective pigment making it highly reflective and high thermal emittance. The two work together to manage the energy your roof absorbs from the sun.

Less heat gets access to the roofing system, so you don’t have to worry about accumulation in the attic space. Eventually, you realize a promising difference in your utility load.


The amount of insulation you install in a house with a metal roof depends on your climate zone. Insulation includes three layers installed at different intervals.

Experts place the first layer above the purlins, which calls for the application of a thermospacer as well. The second layer is a liner system which typically serves as a vapor barrier.

A vapor barrier can reduce convective air movement and can also play the role of an air barrier.

Heat Retention

Roofing tends to retain heat as hot air rises and leaves warm air trapped in the rest of your home. Putting in measures to manage the space is essential to ensure heating efficiency.

Unlike other roofing materials like ceramic, stone, or concrete, a metal roof does not emit heat into the ceiling cavity. It’s a good conductor of heat and a poor insulator. Consider a metal roof for your property, especially if you live in a hot climate.

There are a lot of benefits to reap from having a correctly installed roof to ensure efficiency. Let’s take a quick look at those benefits.

Benefits of Energy Efficient Roofs

There is a reason why you must strive to reinforce your roof to become more energy efficient. You get to reap plenty of benefits from it, such as:

  • It saves you cost on energy bills since the systems in your house won’t have to work too hard to regulate indoor temperatures.
  • Your space receives adequate ventilation.
  • An energy-efficient metal roofing delivers extra insulation.
  • Energy-efficient roofing may make you a good candidate for federal tax credits.
  • You don’t have to deal with ice dams when you have metal roofing that is energy efficient.
  • There is improved temperature control and sun protection.

Final Words

Metal roofing energy efficiency needs to be evident in your utility bills. After installing metal roofing, you should notice a big difference in your utility expenditures. To achieve the greatest results, consider integrating all of the factors that influence energy efficiency. A metal roof can add value to your home and possibly qualify you for an insurance reduction.


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