Recent content by VentsnotValves

Reply: How old is the caulking around the doors and windows? It is hard to measure quantity of draft. Air flow on its own is a science (fluid dynamics). There is too much to discuss here. A simple test is visual, using 3 continual squares of toilet paper taped over a cloths hanger. You...

"Felt seals", are you talking about slider windows? Felts on slider windows are not my expertise, but sliders can fog up even more if the seal is good. This is all about due point, differential temperatures, and inside humidity. Cosmetic? not sure what do you mean? Window manufacturers do...

Helium? That's a new one to me. The He molecule is very small, aren't you concerned that it will find some way out sooner more than later? I would be interested in hearing of how this fix lasts. Hopefully, you sealing the contours, helped. I guess the question is are you sure that the...