Open cell foam shrinking
Would there be a reason for open cell foam to change in appearance? The foam appears to be shrinking and the fire retardant layer is hard.
There is higher humidity than I would like and a dehumidifier is being used on the main level and attic.
Humidity on main level is between 40-50%. Attic is 50-65%
Consulting with professionals who state they have not heard of this.
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