Whether to choose foam insulation or fiberglass insulation for your soundproofing project is a common question, and perhaps the answer is surprising. When
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Should I use foam insulation or fiberglass insulation?
Spray Foam Insulation vs. Fiberglass Cost Comparison
Should I use foam insulation or fiberglass insulation?
Spray Foam Better Than Fiberglass
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Foam or fiberglass can insulate basement walls