About 30% of the heat in your home escapes through the roof, but this percentage can be lessened with the correct insulation. Ceiling insulation batts will improve the thermal comfort of the building in which they are installed. It will keep your home warmer during winter and cooler during summer. With a 50-year warranty, the R5.0 ceiling batts are made with up to 80% recycled glass with no added formaldehyde, keeping your family safe from any nasty chemicals for many years.