Can You Add Cellulose Insulation Over Fiberglass?
Yes, you can add cellulose insulation over fiberglass—and it’s one of the smartest ways to boost your home’s comfort and efficiency before winter. The key is proper air sealing and ensuring the fiberglass layer is dry and evenly distributed. When installed correctly, blown-in cellulose fills gaps, reduces drafts, and helps lock in heat where fiberglass […]
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