Had a similar experience a couple years back, though in my case it wasn't sealant—it was the spacers. I'd specified warm-edge spacers for a high-end r...

That's a common oversight, unfortunately. Proper sealing is critical, not just for drafts but also moisture control. Another thing to consider is UV p...

I've seen similar experiences with thermal detectors. Last winter, I used one during a client's renovation project, and while it pinpointed some hidde...