How Different Insulation Materials Work in Residential Attics
A well-insulated attic can help a home stay more comfortable throughout the year. Insulation works by slowing the movement of heat between the living space and the attic. During warm weather, it helps reduce the amount of outdoor heat entering the home. During cooler weather, it helps keep indoor warmth from escaping too quickly. The material used, how it is installed, and where it is placed can all affect how well an attic performs. Understanding how different insulation materials work makes it easier to see why one option may suit a particular attic better than another. Common choices include spray foam, blown-in insulation, and batt insulation. Each material has its own structure, installation method, and way of limiting heat movement. What Attic Insulation Does Attic insulation creates a layer between the indoor areas of a home and the attic space. Without enough insulation, heat can move through the ceiling and attic floor more easily. This can make indoor temperatures less ...