Do You Need Insulation with Radiant Barrier

Then, the heat transfer method switches from radiant heat to conductive heat to move through the attic insulation and into your home. This is why you need both types of insulation.

Can radiant barrier replace insulation?

While insulation absorbs this heat, a radiant barrier would reflect almost all of it. … All in all, installing both insulation and a radiant barrier will have the strongest and most effective result for your house. But if you must decide between the two, there is likely a clear winner: the radiant barrier.

Will radiant barrier keep heat in?

Radiant Barrier Insulation Benefits Works to keep warm air in during the winter and solar radiant heat out during the summer. Prevents up to 97% of solar radiation. Improves energy efficiency and lowers utility costs, especially if HVAC and duct systems are located in the attic.