What Are the Different Types of Insulation Rolls?

If you’re working on a home project and trying to figure out how to keep things warm in the winter or cool in the summer, insulation rolls are one option worth looking into. They’re easy to install and work well in places like walls, attics, and garages. But what are the different types of insulation rolls? There’s fiberglass, mineral wool, foil-backed stuff, and a few others — and they each handle things like heat, sound, and moisture a bit differently. This guide lays out the main types so you can figure out which one fits your space and your needs.

Foil Insulation Rolls

Foil insulation is made with shiny aluminum layers that bounce heat away instead of soaking it in. It’s mainly used to block radiant heat, which makes it helpful in places that get a lot of sun. Some versions are just foil, while others have a foam layer added for extra insulation and structure.

Why it’s useful:

• Reflects heat: Rather than trapping heat like other materials, this stuff reflects most of it — up to 97% — which helps keep indoor areas cooler when it’s hot out.
• Super easy to work with: It’s light, bends easily, and you can cut it with basic tools. Handy if you’re doing the job yourself.

Where it works well:

• Attics: Help stop heat from building up right under the roof.
• Garages or workspaces: Keeps the space cooler by bouncing the heat back out.
• Metal buildings: Useful in places like barns or sheds where heat tends to get trapped.

Product Spotlight:

If you’re after something simple and effective, the foil insulation roll comes with a foam core for a bit more insulation power — a solid option for areas that get a lot of sun.

Double Bubble Foil Insulation Rolls

This type of insulation is kind of like regular foil insulation, but beefed up. It’s got two layers of foil with plastic air bubbles in between. That layered setup helps with both blocking heat and keeping moisture out, which makes it handy in a bunch of different situations.

Why people use it:

• Blocks heat and moisture: The shiny foil kicks heat away, and the bubbles give you a little space that helps slow down heat transfer. Plus, it doesn’t let moisture through, which is a bonus in damp areas.
• Built to last: It’s not flimsy. The material can handle being walked on or bumped around without losing its shape or tearing.

Where it comes in handy:

• Metal barns and similar buildings: Help cool things down and cut back on that sticky condensation inside.
• Under concrete floors: Acts like a barrier that keeps heat in and moisture out from below.
• Garages, containers, tight spots: If you don’t have space for bulky insulation, this stuff fits and still works well.

Product Highlight:

If you want something light, simple to install, and still effective, this double bubble foil insulation checks all the boxes for blocking heat and moisture without the mess.

Fiberglass Insulation Rolls

Fiberglass rolls are made from spun glass fibers and are commonly used for general home insulation projects. They’re widely available and have a decent R-value for slowing heat transfer.

Common uses:

• Attic floors and wall cavities
• Between floor joists and crawl spaces

However, working with fiberglass can be uncomfortable. It tends to cause skin irritation and can affect your eyes or breathing without proper protection. It’s also bulky and can degrade over time in damp environments.

Mineral Wool Insulation Rolls

Mineral wool (also called rock wool or slag wool) is made from melted stone or industrial by-products. It’s known for its fire resistance and soundproofing qualities.

Often used in:

• Interior walls and between floors for noise reduction
• Utility areas or basements where moisture resistance is helpful

While it’s durable and fire-safe, mineral wool is heavier than other materials and less flexible during installation. It’s not typically the go-to choice for lightweight or easy DIY insulation projects.

Natural Fiber Insulation Rolls

Natural fiber insulation uses materials like recycled cotton, wool, or hemp. These options appeal to eco-conscious homeowners who prioritize sustainable building products.

Where you might see it:

• Green-certified homes
• DIY upgrades in nurseries or bedrooms

Although it’s safer to handle without protective gear, it can be more expensive and less readily available. It’s a niche choice with benefits for specific applications but may not deliver the same performance in high-heat or high-moisture areas.

Comparing Insulation Roll Types

Choosing the Right Insulation Roll for Your Needs

Figuring out the best insulation roll comes down to what kind of space you’re working with and what matters most to you. If you live somewhere cold or just want solid temperature control all year, fiberglass and mineral wool are dependable and insulate well. Dealing with heat or moisture? Stuff like double bubble foil works great in garages, metal buildings, or other tricky spots. And if you’re trying to stay eco-friendly, natural fiber rolls are a solid pick that’s easier on the planet.

Think about what you’re working with: your budget, how much space you have, and how much energy you want to save down the line. The right insulation won’t just make your place more comfortable, it can save you money and headaches over time.