I am in the process of installing R25 Johns Manville Comfort Therm fiberglass batts in the joists above my basement. I won't be able to finish the ceiling for a couple of years, but how can I keep the batts in place? They seem to stay in place by friction, but are there straps (etc) to keep them from falling out of the joist space?
Thanks
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You can buy stiff wires made for that purpose. They come in different lengths for different spacing of joists. A box of 100 is very inexpensive - I don't remember for sure, but it seems like around 3 dollars. They are a little longer than the space between the joists, and just stay in by spring tension.
