Isorad panels / Discussions

Can I use a dimpled membrane and Isorad panels for basement wall insulation?

...Isorad foam panel made for radiant floor; Would that be a good idea? I would maybe shoot some urethane on top of the Isorad to close the holes on top of the panel. But at least, no hygroscopic pressure and also a little air to dry. If I were to build a new house or redo my french drain, I would put the Isorad on the ex...

Posted by David Perreault May 1, 2026 Basements improvements 1 response