This compact 4' x 125' roll of Double Bubble Foil Insulation provides 41.67 square feet of coverage—an efficient size for smaller jobs and targeted installations. The dual-bubble core forms a built-in air gap that helps reduce heat transfer while minimizing condensation in areas where temperature swings are common. Lightweight and easy to handle, it’s a practical solution for quick upgrades, repairs, or small-scale insulation needs.

Convenient Radiant Barrier for Small Projects

The reflective foil surface helps deflect radiant heat, making this roll a smart choice for spot treatments or smaller applications where you don’t need a full-size roll. It installs easily with basic tools and works well in sheds, hobby spaces, utility areas, and other compact environments.

Lightweight, Easy-to-Use Double Bubble Insulation

Designed for fast installation and reliable moisture control, this insulation roll is simple to cut, position, and tape. The dual-bubble construction adds structure without bulk, delivering dependable performance wherever a small amount of radiant barrier protection is required.

Key Features

• Ideal for small projects: 41.67 sq. ft. of coverage is perfect for repairs and compact installations.
• Dual-bubble thermal break: Helps reduce heat transfer and limit condensation.
• Reflective foil surface: Deflects radiant heat for improved temperature control.
• Lightweight and easy to cut: Installs quickly with common tools.
• Flexible application: Suitable for sheds, hobby areas, utility spaces, and small DIY jobs.
• Vapor barrier when taped: Seal seams to enhance moisture protection.
• Clean handling: Thin, tidy material that won’t shed fibers or irritate skin.