Proper insulation and vapor barriers can significantly reduce this risk. Cold Floors Above the Crawl Space If the floors above feel unusually cold, especially in winter, it's likely due to ...

Add traditional fiberglass insulation on the crawl space ceiling. Subfloor insulation (as well as rim joist insulation) helps to keep the floors in your house warm by reducing drafts. Spray foam ...

Look for standing water, signs of pest activity—especially after heavy rain or crawl space flooding—mold and moisture on the foundation walls, pipes, ducts, insulation, or ceiling. Water in ...