Warmboard-S is a code-approved structural subfloor and radiant panel in one. It installs directly over the joists. This is a new home being built North Bay, Ontario Canada.  Photo 19 of 20 in Warmboard radiant installation by Warmboard, Inc.

Warmboard radiant installation

19 of 20

Warmboard-S is a code-approved structural subfloor and radiant panel in one. It installs directly over the joists. This is a new home being built North Bay, Ontario Canada.