What measurement unit is commonly used to express insulation performance?

Insulation performance is commonly expressed using the R-value, which quantifies the thermal resistance of insulation materials. The R-value is critical because it indicates how well a given material resists the flow of heat; higher R-values signify better insulating properties. This measurement is essential for evaluating how effective insulation will be in maintaining desired indoor temperatures and enhancing energy efficiency in buildings.

Understanding R-values helps builders, architects, and homeowners make informed decisions when selecting insulation materials for various applications within residential and commercial structures. Since insulation contributes significantly to energy costs and overall comfort, knowing the R-value allows for optimal choices to enhance energy savings and thermal comfort.