What is the primary purpose of lightweight insulated concrete?

Lightweight insulated concrete primarily serves the dual functions of providing insulation while also acting as a fill material. This unique combination allows it to enhance the thermal performance of roofs, which is critical in minimizing energy costs associated with heating and cooling. By incorporating lightweight aggregates, the concrete maintains a lower density, making it easier to work with in construction while still effectively insulating against heat transfer. This is especially important in roofing applications, where maintaining a comfortable interior environment is essential.

In addition, the insulating properties help to prevent condensation and potential moisture issues that could lead to structural damage over time. The fill aspect is crucial for achieving desired slopes and ensuring proper drainage on flat roofs. Therefore, while reducing weight and providing structural strength are beneficial, the primary role of lightweight insulated concrete is focused on enhancing insulation and serving as an effective fill material.