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A Guide to Choosing the Right Void Filler

Void filler guide: Compare packing materials like foam, paper, air pillows & more. Choose the best for safety, cost, and sustainability.

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A Guide to Choosing the Right Void Filler

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  1. A Guide to Choosing the Right Void Filler By Dunnage Systems Inc.

  2. When it comes to large-scale packaging and cargo shipping, protection is everything. Whether you’re transporting industrial goods, heavy equipment, or palletized freight, choosing the right void filler is essential to prevent movement, minimize damage, and ensure safe delivery. • In this post, we explore what void fillers are, why they matter in cargo logistics, how to select the best ones for large shipments, and a breakdown of the top 4 types-from sustainable paper fillers to heavy-duty inflatable airbags. • What Is a Void Filler in Cargo Shipping?  • A void filler is a material used to fill empty spaces within shipping containers or freight loads. In cargo applications, they prevent goods from shifting, toppling, or colliding during transportation-especially during long hauls or intermodal transit. By stabilizing loads, void fillers reduce damage risks and improve load integrity. • Why Are Void Fillers Crucial for Large Shipments?  • Prevent load shift during road, rail, or sea transport  • Absorb shock and vibration across long distances  • Support heavy and uneven cargo  • Optimize space inside containers or pallets  • Reduce claims and returns due to damage 

  3. Top 4 Void Fillers for Large and Cargo Shipments  1. Poly Woven Air Dunnage Bags These reusable, high-strength airbags are made from woven polypropylene or polyethylene and are ideal for intermodal freight and overseas shipping. Once inflated between cargo units, they expand to absorb force and prevent movement—even under extreme pressure. Best for: Containerized shipping, rail transport, and international cargo requiring strong, reusable fillers for heavy or irregular loads. Please check our detailed guide on: Void Fillers: The Ultimate Guide to Protective Packaging

  4. 2. Kraft Paper Air Dunnage Bags Lighter than their poly woven counterparts, these inflatable bags are made of kraft paper with internal poly linings. They’re widely used in truck and container shipping, offering a biodegradable option that still provides excellent cushioning and stability. Best for: Domestic cargo transport where eco-friendly yet effective void fill is needed for stabilizing medium-weight shipments. 3. Drop Down Void Fillers These are corrugated inserts that “drop down” into pallet loads or large containers, absorbing vertical and lateral pressure. Used to brace stacked cargo, they reduce impact during vibration or sharp turns and are fully recyclable. Best for: Palletized freight and bulk cargo where layered support and space optimization are critical.  To know more about Void fill packaging, refer to our blog: Void Fill Packaging: Drop Down Fillers vs. Dunnage Air bags

  5. 4. Bulkhead Panels Bulkhead panels are rigid, corrugated dividers used to separate and secure cargo within a container or trailer. They create strong, stackable compartments and reinforce overall load structure. Best for: Heavy-duty freight loads that need added internal support, compartmentalization, or separation within a large shipment. Choosing the Right Void Filler for Cargo Consider the type of cargo, shipping conditions, sustainability goals, and reusability when selecting your void filler solution.  Read more about Which Industries Use Dunnage Bags for Cargo Safety?

  6. Conclusion: Optimize Cargo Protection with the Right Void Filler  The right void filler for large shipments does more than fill space-it protects your cargo investment, ensures regulatory compliance, and cuts costs due to damages or rework. Whether you’re using kraft airbags for truck transport or poly woven dunnage for global shipping, make sure your packaging strategy supports secure, stable transit. Dunnage Systems Inc. specializes in engineered packaging fillers for cargo protection-designed for performance, durability, and environmental responsibility. Contact us today to find the ideal void filler for your shipping needs.

  7. Get in touch Dunnage Systems Inc.- CargoProtection tools manufacturer Contact: (870) 942-4830 Email: info@dunnagesystems.com Website: https://dunnagesystems.com/

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