Question from Emily
Hello Debra,
In a few weeks I will be installing some new windows in my home. The contractor has recommenced using expanding foam around the windows to seal openings that would let air infiltrate into the house. The product he wants to use is “Great Stuff: Window and Door”.
This product does not appear to be a wise choice for someone with chemical sensitivities. The MSDS sheet says it may cause allergic respiratory reactions, pulmonary edema and central nervous system depression.
Do you know of an alternative non toxic product for filling cavities around newly installed windows?
Thank you for your wonderfully helpful website!
Debra’s Answer
I have no experience with this. Readers? 10/2/09 As I’ve been reading all the comments, I realized that when I said I have no experience with this, I was referring to the expanding insulating foam. But I DO have lots of experience with installing windows. I went and asked my husband about this because I didn’t remember that he had ever used it. He said he doesn’t use it. He just BUILDS TIGHT and then caulks it. We’ve never had any problems with the windows he has installed. The funny thing was, he’s been installing a window this week…We so don’t use expanding foam that I didn’t even make the connection…
