Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts, 10.25 in. x 23.75 in. x 48 in. Drop-in Bathroom Sink Tamper-Resistant Safety: Built-in shutter system

Tamper-Resistant Safety: Built-in shutter system helps prevent foreign object insertion

Residential Steel Doors: Optimized for use with steel residential garage doors

Waterproof Construction: Ensures longevity in high-moisture areas

blocks and 25 pieces of 18 in

Owens Corning R-38 Kraft Faced Fiberglass Insulation Batts, 10.25 in. x 23.75 in. x 48 in. Drop-in Bathroom Sink Tamper-Resistant Safety: Built-in shutter systemR 38 Kraft Faced Fiberglass Insulation Batts High R value fiberglass batts designed for moisture managed cathedral ceilings and other framed assemblies. Each 10. 25 in. thick, 23. 75 in. wide, 48 in. long batt provides efficient thermal performance and sound reduction while installing cleanly and staying put. Key Features: High Thermal Performance: R 38 kraft faced batts help improve comfort and energy efficiency Sized for Framing: 10. 25 in. thick x