Knauf Jetstream Ultra Blowing Wool is our flagship insulation for weatherizing and retrofitting existing buildings—or outfitting new construction. It delivers consistent thermal resistance against outdoor air and helps maintain comfortable indoor temperatures.

Greater air resistance means better temperature control, and yes, that’s exactly as satisfying as it sounds.

Key Features & Design

• Made with recycled glass
• BIBS approved
• Excellent Thermal Performance
• Fills all gaps and voids, creating a thermal barrier against outside air and better temperature control

Applications

• Attics
• Walls
• Floor
• Mid-Floor
• Metal Building Ceiling