attic insulation go bad

If your home was built decades ago, it may not be as energy-efficient as you would like it to be. One of the best ways to improve the energy efficiency of your home is by insulating your attic, but if your attic is already insulated you might be wondering “does attic insulation go bad?” You might have also heard that the insulation in your home can last decades or longer. The International Association of Certified Home Inspectors argues that most…