GBA Logo horizontal Facebook LinkedIn Email Pinterest Twitter Instagram YouTube Icon Navigation Search Icon Main Search Icon Video Play Icon Plus Icon Minus Icon Picture icon Hamburger Icon Close Icon Sorted

Community and Q&A

Is 2” EPS or XPS Styrofoam Totally Impermeable to Radon?

potton | Posted in General Questions on

In itself is styrofoam impermeable to radon?

GBA Prime

Join the leading community of building science experts

Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field.

Replies

  1. Andrew_C | | #1

    No. Normally if you're using foam insulation under the floor, you cover it with a layer of plastic sheeting, and that is the barrier that prevents radon gas from coming up.

Log in or create an account to post an answer.

Community

Recent Questions and Replies

  • |
  • |
  • |
  • |