Categories for Slab Insulation

Vertical, Horizontal, or Full? Selecting the Right Slab Insulation for Your Climate Zone

For architects and custom home builders, slab design decisions carry long-term consequences that extend far beyond structural performance. Slab-on-grade construction is common across many regions because it is efficient, durable, and cost-effective. However, without the right insulation strategy, it can also become one of the largest sources of unwanted heat loss in a building. Real estate developers who overlook slab insulation often discover that energy modeling results, comfort complaints, and compliance hurdles all trace back to this foundational detail. Selecting the correct slab-on-grade insulation methods is not simply about adding rigid foam beneath concrete. It requires an understanding of climate... View Article