Installing attic insulation is a key step in making your home more energy-efficient. To guarantee maximum efficiency, two layers of insulation must be installed in the attic. The first layer should be placed between the beams and the second layer should extend perpendicularly over them. It is suggested to use uncoated blocks for insulation, as they are easy to install and provide better protection.
When insulating a finished attic, you can either wrap the insulation around the walls and ceiling of the living space or apply it from the roofline to the floor. If you are using fiberglass insulation, make sure that the side of the paper faces down if your home is mainly heated. Additionally, it is recommended to install a thin polyethylene barrier at the bottom of the insulation to prevent moisture from compromising the material. For attics that are already insulated, check if the lower part of the fiberglass insulation has a paper vapor barrier or a polyethylene barrier attached to it.
Additionally, foam attic ventilation ducts should be installed between each pair of roof beams in the narrow triangular section where the roof meets the attic beams. In general, it is often best for an insulation company to add attic insulation as much of the work is done crawling or squatting. However, since attics can become dangerously hot during the summer, it is necessary to find a mild period to install the insulation, which is usually the intermediate season between summer and fall. When installing insulation, start at a wall and work your way to the center of the attic floor or entrance, carefully placing it between the beams and making sure they fit snugly together.
Additionally, blocks and rolls should be used to keep the insulation away from the bottom of the attic roof. By following these steps, you can ensure that your attic is properly insulated for maximum efficiency.