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Question from KJ

Thank you, Debra and the readers, for all the valuable information so far. I have relied on this site for all of my questions through my major renovations to improve our home.

Now, I have a major concern about the new AC duct work that was installed. I was not educated enought to ask right questions before hand.

They installed new formaldehyde free flexible ducts, but they also used distritbuion boxes made with duct boards (fiberglass boards). These are the boxes to connect multiple flex ducts going into different directions.

The fiberglass surface faces the inside where the air flows through.

I found out that the fiberglass surface is sealed (glued) with something that contains formaldehyde. Even worse, the joints and seams where they had to cut and connect with other flex ducts are not protected with this glue, and the fiberglass dust can come loose overtime and get blown right into our living space.

I am so concerned about this issue.

Debra’s Answer

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