Insulating When Bathroom Remodeling Insulating when bathroom remodeling is essential and highly recommended for comfort, energy savings, soundproofing, and mold prevention. Building code requires that all conditioned spaces be insulated. Conditioned spaces include outside walls, attics, and raised foundation (crawl space) flooring. Unconditioned spaces include inside (interior) walls. Generally, attics require R30 to R49, floors […]
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