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Which Type of Insulation Is The Best?

No matter where you are in the country, and what temperatures your area gets, your home needs to have proper insulation.

Without it, the cost to heat and cool your home will skyrocket, and you will be wasting energy by overworking your heating and cooling system. In fact, if you don’t have insulation in your home, it is automatically against code!

You may be thinking to yourself right now: “why are we talking about insulation? Isn’t this a roofing company?”

Well, to us roofing contractors, having quality insulation is extremely important. That is because having proper insulation prevents roof damages, and will save you a lot of money down the road because you won’t need any premature roof repairs.

In this article, we’ll discuss the different types of insulation, and which types we know will be best for your home or your business.

Here at Georgia Roof Advisors, we have been in the game for 15+ years, so we are very knowledgeable about all things insulation, and we have seen some pretty rough home damage caused by inadequate insulation. We are giving you this information so that you and your family can feel safe in your home.

Now, let’s get into some insulation.

The Types of Roofing Insulation


There are two types of foam, injection foam and spray foam. What we use is spray foam, as it’s much easier to install for contractors. The benefits of spray foam are its high thermal resistance and high-quality soundproofing. This is a great option for those who want to save the environment and on their energy bills. They also really get into the nooks and crannies of your entire attic and expand up to 500 times its original size. It also is by far the most popular type of insulation.


Fiberglass is also great for soundproofing and being environmentally friendly, but what makes it stand out is that it is not a fire hazard at all unlike the other types of insulation. It is the least expensive option, which does make it not as effective as the other options.


Polyisocyanurate, which most people call ISO, is essentially foam board insulation. The boards are sealed together very tightly, so that prevents any moisture from getting trapped. They are made from recycled materials, and therefore have the lowest impact on the environment. And, they are easy to install.


Another insulation name that is quite the mouthful is Extruded Polystyrene Insulation, or more commonly known as XPS. Or, as most people call it: styrofoam. They’re also on panels like ISO, and have great thermal conductivity. They aren’t as environmentally friendly, but this insulation does last a long time.


Lastly, this type of insulation is really similar to XPS. It is called Expanded Polystyrene Insulation, or EPS. It is a cheaper version of XPS, and the boards are smaller, so they aren’t as good of quality, but they are a decent affordable option.

In Summary

Overall, these are all really solid choices of insulation for your home or business. However, we do feel that spray foam insulation is the most effective and has the most benefits, but you really can’t go wrong with any of these, especially if you have a low budget.

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