What is the main purpose of low-slope roof insulation?

The primary function of low-slope roof insulation is to prevent heat loss and water infiltration. Insulation in this context plays a crucial role in maintaining energy efficiency within a building. By effectively reducing heat transfer, the insulation helps retain warm air during colder months and keeps it out during warmer months, contributing to more stable indoor temperatures and decreased energy costs.

Additionally, low-slope roof insulation is designed to protect against moisture penetration, which can lead to significant structural issues, such as mold growth or deterioration of roofing materials. Proper insulation can also help manage condensation within the roofing assembly, further enhancing the overall durability and performance of the roofing system.

In terms of the other options, while visual design and ease of installation might be factors in roofing projects, they are not the primary purposes of insulation itself. Similarly, although insulation may have an impact on the overall weight of the roofing system, the central role it plays is in thermal resistance and moisture control, making the correct selection focused on these key benefits.