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EERE » BTO » Building America » Solution Center Home » Image Gallery » Right – Mineral wool batt insulation is cut to fit snuggly and to fully fill wall cavities with minimal voids and gaps.

Right – Mineral wool batt insulation is cut to fit snuggly and to fully fill wall cavities with minimal voids and gaps.

Right – Mineral wool batt insulation is cut to fit snuggly and to fully fill wall cavities with minimal voids and gaps.