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Duct Board Questions


mijotter
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So I got some Knauf Duct Board at a very good price. However, once I got it home it seems very...fibrous. I run my hand calmly over the fiberglass portion and it feels like i'm scraping off very small particles. Is this normal?

It has the intent of being used as a return plenum so air flow shouldn't be TOO aggressive right?

Is there some kind of guard that I could place over it to prevent that from entering the rest of the house if it is indeed a problem or perhaps a special air filter? Was considering lining it with Thermopan as I have some in my basement. Wise or no? If so should I just lay it over top or somehow seal it to the fiberglass portion?

In the picture does this mean that the board was made November 16th 2000?

Does the duct board look in good condition from the pics?

Thanks a lot.

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