Johns Manville R-38 Unfaced Fiberglass Batt Insulation, 64-sq ft Coverage, 24-in x 48-in, U366S joiners-planers Q: What material are these

Q: What material are these made from

Made of heavy-duty PVC

) 400 Heat Output (BTU/hour) 4600 Mount Type Freestanding Features Cool To Touch Glass

825 lb Rough Opening Height (In

Vanity top is pre-drilled for 8 in

Johns Manville R-38 Unfaced Fiberglass Batt Insulation, 64-sq ft Coverage, 24-in x 48-in, U366S joiners-planers Q: What material are theseR 38 Unfaced Fiberglass Attic Batt Insulation, 24x48 in High R 38, unfaced fiberglass batts designed for wood framed attics, ceilings, and floors. Precut 24 in x 48 in pieces provide 64 sq ft of coverage per package and install easily between 24 in on center joists for improved energy efficiency and sound control. Key Features: High Thermal Performance: R 38 batts boost energy efficiency and comfort in attics, ceilings, and floors Unfaced Design: No