06/15/2026
If you've ever specified continuous insulation, run the energy model, and watched the building underperform anyway, the windows are probably the reason.
The wall does its job. The framing around every window, whether metal or wood blocking, quietly undoes most of that work. You don't see the loss until the energy bills arrive.
That's the problem thermal window framing solves. Our latest article covers what it is, why Psi value matters, and how to spec it without overcomplicating the wall section. GreenGirt XO carries continuous insulation through the head, jamb, and sill of every opening, with a third-party-verified Psi value per ISO 10211.
Read it here: https://hubs.ly/Q04ls80M0
If you've specified continuous insulation and watched the building underperform anyway, the windows are usually the reason. New article on what thermal window framing is, why Psi value matters, and how to specify it — with the ISO 10211 numbers and three real projects.