The Owens Corning MP40 Multi-Purpose Roll is well-suited for a range of small insulation projects. It delivers excellent thermal and acoustic performance and can be easily cut to size for precise application. Ideal for filling gaps around outlet boxes, windows, doors, and other tight spaces, this product offers both versatility and efficiency in insulation tasks. Thermal insulation - helps reduce heat loss and improve energy efficiency in small-scale applications Flexible and cuttable - easily trimmed to fit tight or irregular spaces such as around outlets, windows, and doors Versatile use - ideal for patching, filling voids, and insulating hard-to-reach areas Lightweight and easy to handle - simple to install with minimal tools required Reduces sound and heat transmission - reduces energy loss and noise infiltration Fiberglass composition - made with trusted owens corning fiberglass, known for durability and performance Non-corrosive and non-combustible - will not corrode pipes, wires, or other building components, contributes to fire safety