Is cellulose an appropriate choice for insulating against board sheathing?
My old house in Pittsburgh, PA has brick veneer walls sheathed with 1×8 boards and covered with what looks like kraft paper on the exterior of the boards (on the brick side). The boards have a gap between them, on average about 6mm, but sometimes as much as a full cm. Wall studs are standard 2×4 cavities and wall covering is plaster and lath.
Is it appropriate to fill these cavities with dense pack cellulose given there are gaps between the boards and the other wall details and my region?
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