GBA Logo horizontal Facebook LinkedIn Email Pinterest Twitter X 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

Building a heated floor over slab next to unheated area of slab

MMVT | Posted in Energy Efficiency and Durability on

We’re renovating a 25 x 40 building with unheated slab in northern Vermont.  The slab is mostly below grade.  We plan to build a floor above the slab and install radiant heat using climate panels in 2/3 of the space and leave the remaining area unfinished and unheated.  

Will there be a problem with the portion of the slab that will remain cold while the other part will have a bit of heat as a result of the radiant tubing?  

One suggestion was to cut the concrete between the 2 areas and install a thermal break.  

Thank you for your ideas.

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.


Log in or create an account to post an answer.


Recent Questions and Replies

  • |
  • |
  • |
  • |