Reflective foil insulation really stops the movement of heat. This foil acts as a radiant barrier both in the summer and winter. The reflective barrier foil works best in the summer when the temperatures are higher.
Radiant barriers can cool your home by reflecting infrared energy waves away from it. Radiant barriers work best with the highest amount of reflectivity. For the attic, new roof trusses now come with radiant foil underneath. Keep radiant barrier foils dust-free, otherwise their effectiveness diminishes.
Energy can be saved with a radiant barrier of extra attic insulation. Energy savings add up with radiant barrier foil chips installed. This radiant barrier insulation reflects heat back to its source. Check out other ways here to accomplish energy bill savings.