SmartFOIL - Radiant Barrier - Solid White / Foil

A radiant barrier with a finished look

SmartFOIL White Solid does two things at once: it reflects radiant heat and it looks clean doing it. The engineered foil reflects up to 95% of radiant heat to keep your space cooler in summer and warmer in winter, while the white surface gives you a bright, finished appearance for any install that stays in view. You get the full performance of a radiant barrier without the bare-foil look.

Why choose the white finish?

Standard radiant barriers show a shiny aluminum surface, which is fine inside a wall but harsh in a space you use and see every day. The white face solves that:

• Clean, finished appearance: exposed walls and ceilings look tidy and intentional, not industrial.
• Brighter space: the white surface reflects light as well as heat, so garages, workshops, and sheds feel lighter and more usable.
• Less glare: no harsh reflections off bare foil under shop lights or sunlight.
• Same performance: you give up nothing on heat reflection to get the better look.

This makes it the go-to version when the barrier will be left exposed rather than covered by drywall.

How SmartFOIL works

Radiant heat travels in a straight line until it hits a surface. SmartFOIL's engineered foil has a very low emissivity, so it reflects that heat rather than absorbing it, bouncing back about 95% before it reaches your space. In summer it keeps roof and wall heat out, and in winter it reflects indoor heat back inside. Unlike standard insulation, which only slows heat after it has entered, a radiant barrier stops most of it at the surface.

A solid barrier that blocks moisture too

Because this is a solid barrier with no perforations, it also acts as a vapor barrier. The unbroken surface blocks moisture from passing through, which makes it a strong choice for garages, metal buildings, and crawl spaces where you want to keep water vapor out. If you need the barrier to let vapor pass through, our Perforated SmartFOIL is the better fit.

Built for large, visible jobs

If you are finishing a garage, workshop, or metal building, the 1000 sq ft roll covers a lot of ground with a consistent look.

• Large coverage: one roll runs 4 feet by 250 feet and covers 1000 sq ft.
• Fewer seams: less piecing together means a cleaner, smoother finished surface, which matters more when it shows.
• Tough but manageable: industrial-grade strength that still cuts and handles easily.
• Versatile: great for homes, commercial spaces, barns, and agricultural buildings.

Saves on energy, looks good doing it

SmartFOIL reflects up to 95% of radiant heat away from your building. In summer your AC works less, and in winter your heater gets a break, so many owners see their energy bills drop over time. With the white version, you get those savings and a finished space you are happy to look at.

Easy to install

Even the large roll is light and flexible. Cut it with scissors, staple it to your rafters, joists, or walls, and you are done. It resists tearing and puncturing as you work, so you can cover big, visible areas cleanly whether you are a first-timer or a pro.

Explore our radiant barrier category or check out our 1000 sq ft radiant barrier option for the perfect solution to fit your needs!