Light-density fiberglass batts with a kraft, foil, or a foil scrim kraft (FSK) fire-resistant vapor retarder facing.

Features

• Excellent thermal performance.
• Will not rot or mildew; resists fungal growth.
• Lightweight; easily fabricated and installed.
• FSK-25 only: UL listed; flame spread rating of 25 for exposed applications. Low perm rating.

106 sq ft