Top Tier R38 Unfaced Fiberglass Attic Insulation Covers 640 Square Feet In A 15 Bag Bundle Built For 2x12 Framing And Delivers Knockout Thermal Noise Control For Every Weekend Pro Makeover

Premium R38 Unfaced Fiber Glass Attic Insulation Kit
✔️ R38 rating, 15 bag cover 640 sq ft, fits 2x12 studs

This fifteen bag bundle contains formaldehyde free fiberglass batts designed specifically for residential and commercial roof decks. Homeowners and handymen install these rolls directly between ceiling joists to lock in warmth during winter months while quietly blocking street noise through attic floors.

✅ R38 thermal resistance value blocks heat flow efficiently
✅ Unfaced design pairs easily with separate vapor barriers
✅ 16 x 48 x 12 inch cuts slide neatly into standard wall cavities
✅ Resilient glass fiber blend refuses to sag or settle over time
✅ Noncombustible material helps meet basic code safety requirements

💡 Why do contractors prefer adding thick unfaced rolls to existing roof spaces?
- These packs supply dense glass fiber batts that seal gaps around ductwork
- Handy homeowners can trim them with light utility blades to match any bay
- Thick profiles drastically cut heating loss while absorbing mechanical vibration
- Proper spacing keeps airflow clear without compressing the insulating layers