Paperboard Sheets

FlatStack® Recycled Paperboard Sheets

Cover, line, tier and improve pallet integrity with specially engineered solutions. Sonoco FlatStack paperboard sheets decrease freight costs that occur when using corrugated alternatives. Our thinner, lightweight paperboard sheets:

  • Ensure more than double the number of sheets shipped per truckload
  • Store five times the number of sheets per unit of storage
  • Reduce a minimum of 5% weight
  • Save a minimum of 15% in material costs

10 Corrugate C-Flute 150pt sheets* vs 50 FlatStack 30pt sheets*

Engineered for consistent performance on automated palletizers, our tier sheets fit your application and machinery specifications with customizable options:

  • 17 to 45 pt. calipers
  • Flexible square, round or custom corner and/or size designs
  • Die-cut designs available upon request
ProductSheets per palletPallets per truckloadSheets per truckload
Corrugated C-flute (150 pt.)**3205617,920
Corrugated B-flute (120 pt.)**4005622,400
FlatStack paperboard sheet (24 pt.)**2,0002142,000
FlatStack paperboard sheet (30 pt.)**1,6002133,600
**Assuming 40" width x 48" length x 48" height

FlatStack Ultralight® Paperboard Sheets

Enjoy the same exceptional performance of FlatStack solutions with a value-based alternative to lightweight gypsum and paperboard sheets. We design our 100% recyclable FlatStack Ultralight® divider sheets for consistent performance on automated palletizers and specific applications. Specifically engineered and manufactured for this application, our lightweight paperboard sheets deliver consistent quality from run to run.

CaliperSheets per palletSheets per truckload
17 pt.*2,80061,600
18 pt.*2,70059,400
* Assuming 40" width x 48" length sheet size and 22 pallets per truckload.

Strategic Locations That Ensure Quick and Efficient Delivery

Quickly get paperboard sheets when and where you need them with Sonoco’s global operational network. Strategically located across the Western Hemisphere, our mill network ensures consistent quality, supply security and built-in contingency that keep your machines running. With the ability to shift production of specific paper grades to different facilities and machinery, our vertically integrated network flexes to meet your volume needs.

Global Locations

Utilizing Sonoco’s In-House Design and Test Capabilities

Get the most out of your packaging with Sonoco. Trusted for our turnkey solutions, we provide technical support for implementation, including process modeling. Our in-house laboratory capabilities and packaging experts research, design and test solutions to meet your product requirements, identify cost-saving opportunities and ensure consistent performance across the supply chain.

Explore our in-house laboratory capabilities

Advance Sustainability Goals with Fiber Certifications

Promote responsible sourcing, recycling and use of recycled fibers. Sonoco produces FlatStack paperboard sheets from uncoated recycled paperboard (URB), with a minimum of 85% post-consumer fibers. 

Meeting the requirements for key fiber certification programs, our paper mill network progresses your sustainability goals with paper products accepted into Old Corrugated Cardboard (OCC) recycling programs. Our in-house sustainability experts have advanced capabilities to perform life cycle assessments (LCAs) to improve or reduce your carbon footprint and Scope 3 emissions as well as promote circularity.

Our Sustainability Certifications

Save money and space with packaging that weighs and costs less.

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