Foundations – A Significant Pathway for Radon Entry

A building’s foundation can be a significant pathway for radon entry.  Four key factors can affect a foundation’s contribution to elevated radon levels in home:

  1. Substructure type
  2. Design
  3. Construction details
  4. Materials

There are five common foundation types in the United States:

  1. Pier
  2. Crawl space
  3. Slab
  4. Full basement
  5. Combination