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In-Depth Reviews Of The Top 5 Basic Roof Insulation Options

Posted on July 20, 2023

In-Depth Reviews Of The Top 5 Basic Roof Insulation Options

Proper insulation is a key factor in maintaining energy efficiency and comfort within your home. Among the crucial areas to insulate, the roof and attic space stand out as major contributors to overall efficiency. To help you make an informed decision, we have compiled an in-depth review of the top five roof insulation options.

 Our comprehensive evaluations cover the benefits, features, and drawbacks of each option, providing you with everything you need to select the best fit for your home. Whether you’re looking to reduce energy costs, regulate indoor temperatures, or enhance the overall comfort of your living space, our reviews provide valuable insights to guide you toward the right choice. Don’t let inadequate insulation hinder your home’s efficiency—explore these comprehensive reviews and discover the best basic roof insulation options for a more energy-efficient and comfortable home.

Option 1: Spray Foam Insulation

Spray Foam Insulation

Spray foam insulation is a popular roof insulation option for homeowners. It is made of polyurethane or polyisocyanurate and comes in two types: open-cell and closed-cell. Open-cell foam is less dense and is best for warmer climates, while closed-cell foam is more rigid and has a higher R-value, making it better suited for colder climates.


  • Provides maximum efficiency by filling every corner of the substrate and joists
  • Eliminates the need for a vapor barrier
  • Can be used in all climates


  • Requires professional installation
  • More expensive than other insulation options due to labor costs
  • Can emit harmful fumes during installation


Overall, the reviews of spray foam insulation are very positive. People who have had it installed report that it has made a significant difference in their energy bills, comfort within their homes, and noise levels. If you are considering having spray foam insulation installed in your home, there are many positive reasons to move forward.

Option 2: Blown-In Insulation

Blown In Insulation

Blown-in insulation is installed by blowing in air and material with a large hose. It can reach small crevices and fill hard-to-reach areas, making it an excellent option for insulating your attic space. Additionally, blown-in insulation is known for its versatility and adaptability. It can be easily installed in attics with irregular shapes, sloped ceilings, or other challenging architectural features. This makes it a practical solution for various types of attic spaces.

With its ability to reach every nook and cranny and adapt to different attic configurations, blown-in insulation offers an efficient and reliable way to improve your home’s energy efficiency and comfort.


  • Can fill small spaces and hard-to-reach areas
  • Environmentally friendly options, such as cellulose made from recycled materials
  • More affordable than some other insulation options
  • Has a high R-value


  • Can settle over time, requiring repairs
  • May require drilling into your home to fix cracks
  • May not be as tight-fitting as other insulation options


The reviews of blown-in insulation are generally very positive. Homeowners with it installed report that it has caused their utility bills to drop, improved indoor comfort, and helped with excess noise. For those looking for an affordable but high-quality insulation option, blown-in is a great choice. 

Option 3: Batt Insulation

Batt Insulation

Batt insulation, a versatile and popular choice among homeowners, comes in large rolls and offers an accessible solution for those looking to install insulation themselves. This cost-effective option provides flexibility, allowing for easy customization to fit into various nooks and crannies. Whether you’re insulating walls, attics, or crawl spaces, batt insulation is designed to be user-friendly. The pre-cut dimensions of batt insulation simplify the installation process, making it easier to handle and maneuver into tight spaces. With ease of installation, batt insulation is a practical option for homeowners seeking to enhance energy efficiency and thermal comfort in their homes without breaking the bank.


  • DIY-friendly insulation option
  • Cost-effective
  • A variety of R-values are available


  • Does not fill in small spaces as well as other insulation options
  • Can be difficult to install in hard-to-reach areas
  • Not the most efficient type of insulation


Homeowners who have installed batt insulation themselves are generally satisfied with its performance. It’s been noted that the insulation is easy to install, makes the interior of a home more comfortable, and increases the energy efficiency of a home. 

Option 4: Fiberglass Insulation

Fiberglass Insulation

Fiberglass insulation is made from tiny glass fibers that are woven together to create a fluffy and lightweight material. The fibers trap air pockets, which helps to slow down the transfer of heat and provides excellent thermal insulation.

It is available in various forms, such as rolls, batts, or loose-fill. It can be installed along walls, attics, floors, and ceilings and is effective in both hot and cold climates.

Though it is fairly DIY friendly, when installing fiberglass insulation, it’s important to wear protective gear, such as gloves and masks, as the tiny glass fibers can irritate the skin and respiratory system. Proper installation techniques, such as ensuring a snug fit and sealing air gaps, are also essential for maximizing its effectiveness.


  • Very affordable
  • Can be installed by a DIYer or a professional
  • Can be used in a variety of places, including attics, walls, and floors
  • Fire-resistant


  • Can be irritating when handled, so it is important to wear gloves and a mask when installing it
  • Can settle over time, which can reduce its effectiveness
  • Not as effective as spray foam insulation at reducing air infiltration


Fiberglass insulation stands as an excellent choice for homeowners for several reasons. Overall, with its superior thermal performance, affordability, ease of installation, noise reduction capabilities, and safety features, fiberglass insulation emerges as a highly beneficial choice.

Option 5: Rigid Foam Board Insulation

Rigid Foam Board Insulation

Rigid foam board insulation is a type of insulation that consists of solid panels made from foam materials. You’ll find it in three formats: EPS, XPS, and polyiso. Unlike loose-fill insulation, rigid foam board insulation provides a solid and continuous barrier against heat transfer. While it may be a bit more expensive than loose-fill insulation, its superior thermal performance makes it an attractive option for homeowners seeking effective insulation solutions.


  • Has a high R-value
  • Resistant to settling over time
  • Can improve the structural integrity of a building due to its rigidity and ability to distribute loads.


  • Has a higher initial cost compared to loose-fill insulation
  • Harder to cover irregular shapes or curves within a home


Rigid foam board insulation is highly recommended for homeowners looking to maximize energy efficiency and improve indoor comfort. Its superior thermal performance and durability make it a worthwhile investment, even though it’s more expensive than other insulation options.


Choosing the right roof insulation option for your home can greatly impact your energy bills, the comfort of your living space, and the overall efficiency of your roof. For optimal results in any climate, professionally installed spray foam insulation stands out as an ideal option. If you’re seeking an affordable and eco-friendly solution that effectively fills small and challenging spaces, blown-in insulation fits the bill. On the other hand, if you prefer a do-it-yourself approach and cost-effectiveness is a priority, batt insulation is available in a range of R-values to suit your specific needs. With over 12+ different styles of roof shingles to choose from, you have a wide array of options to match your home’s unique aesthetic. 

Additionally, structural insulated panels are a popular choice for newly constructed homes, providing durability and eco-friendliness. Before making any purchase, prioritize reading reviews and consulting professionals to ensure the best decision for your home.

If you are unsure which type of roof insulation is right for your home, we’re here to help! ReNew Roofing is a great resource for homeowners in Wisconsin, Minnesota, and Missouri. We can help you choose the right insulation for your home and ensure that it is installed properly. Call our team today for a free consultation at (813) 400-3329.


A. Proper roof insulation provides numerous benefits, including improved energy efficiency, reduced utility bills, enhanced indoor comfort, and noise reduction. It helps regulate temperature, prevents heat loss in winter and heat gain in summer, and creates a more comfortable living environment.

A. One material may be better than the other when it comes to individual requirements. In terms of initial cost, aluminum gutters are less expensive while still performing well. However, they must be maintained properly to serve you for almost 50 years. But if you are looking for a one-time investment, copper gutters are a good option that can last a lifetime without needing much maintenance or repairs. Plus, they come with a high return on investment.

A. While some types of roof insulation can be installed as DIY projects, others may require professional installation for optimal results. It is crucial to follow manufacturer guidelines and local building codes to ensure proper installation and maximize insulation effectiveness. Consulting with a professional can help you make an informed decision and ensure a quality installation.

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