Pre-Retrofit Assessment of Crawlspaces and Basements Description Information guide describing things to consider in the basement or crawlspace before attempting retrofits of adjacent items including HVAC, wiring, or structural systems.
Radon Fan Description Guide describing how to install a radon mitigation fan with various types of house foundations.
Vertical Radon Ventilation Pipe Description Guide describing how to install a radon-mitigating vertical ventilation pipe in new and existing homes with various types of house foundations.