The Krendl 425 All-Fiber Blowing Insulation Machine Package gives you a complete, ready-to-use setup for professional loose-fill insulation jobs. Engineered for contractors, this fiber insulation machine handles cellulose and fiberglass insulation efficiently, delivering reliable performance in attics, walls, and new construction applications.
- (1) 425-b Krendl 425 Fiber Blowing Insulation Machine
- (1) H318 2.5″ x 100′ Fiber Blowing Hose
- (3) 339A Hose Clamps
- (1) 379 2.5″ Hose Connector
Key Features and Benefits
- Versatile Performance: Ideal for cellulose insulation and fiberglass loose-fill blowing applications in residential and commercial settings.
- Compact Design: Easy to transport and set up on any insulation job site.
- High Output: Processes up to 1,400 lbs/hr (634 kg/hr) of cellulose and 480 lbs/hr (217 kg/hr) of fiberglass under standard conditions
- Rugged Construction: Built with durable steel panels and a powder-coated finish for long-lasting use on demanding projects.
- Powerful Motor: 120V operation delivers reliable output and consistent performance with minimal maintenance.
How It Works
The Krendl 425 fiber blow in insulation machine uses an agitator and airlock to break up loose-fill cellulose or fiberglass insulation and move it through the included 2.5″ hose. With user-friendly controls and steady airflow, you can achieve uniform coverage in attics, wall cavities, and other insulation applications. All necessary fiber insulation machine parts, clamps, and connectors are included to get you started right away.
Recommended Applications
- Attic loose-fill fiber insulation installations
- Dense-pack cellulose wall cavities
- Retrofit and new construction insulation projects
Specifications
- Power: 120V
- Cellulose Output: Up to 1,450 lbs/hr
- Fiberglass Output: Up to 450 lbs/hr
- Airlock: 12″ x 16″
- Blower: 135 CFM at 3.5 PSI
- Hopper Capacity: 14 cubic feet
- Dimensions: 27″ W x 44″ D x 58″ H
- Weight: 420 lbs
Downloads & Resources
FAQs
- What materials can this fiber insulation machine handle?
- This complete package works with cellulose and fiberglass loose-fill insulation materials, and is designed for professional contractors.
- Does it include all fiber insulation machine parts needed to start?
- Yes—your order includes the hose, clamps, and connector to start blowing cellulose or fiberglass insulation right away.
- Can I use this fiber blow in insulation machine for dense-pack applications?
- Yes—with proper techniques, this Krendl 425 fiber insulation machine can be used for dense-pack wall cavity installations and attic coverage.

