what is terraBlock insulation
What It Does: TerraBlockâ¢ Crawl Space Floor Insulation is a durable, long-lasting insulation product designed specifically for crawl space floors.ble to be installed on uneven floors, this product includes a white vapor barrier that will keep moisture from making its way up through dirt, stone, or concrete crawl space floors. If you have water seepage in your crawl space, TerraBlockâ¢ can be combined with drainage matting to direct water to a sump pump system.