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EVF70002

Double-Wall Folded-Edge Cell Partition

  • Available in a wide range of custom configurations & material selection.
  • Order 1 sample. Or order 100K+ units. Or anything in between.
  • Affordable delivery across North America.
  • Design support, warehousing, testing, assembly available.
  • Widest machinery capability in America via 30+ specialist partner plants.
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Product details

Top highlights

  • Smooth folded top edges hide raw paperboard cuts
  • Double-wall thickness improves vertical crush resistance
  • Every piece is manually folded before grid assembly

About this product

This multi-piece partition creates a clean, premium grid inside an outer carton. Unlike single-wall dividers, every piece is cut to twice its final height and folded in half. This hides the raw paperboard edges at the bottom of the box, presenting a smooth, folded top edge to the customer while doubling the wall thickness between products.

The tradeoff for this presentation is assembly time. Because every individual divider is folded before the grid can be interlocked, this style demands more manual labor than a single-wall partition.

Common uses

  • Cosmetics kits
  • Glassware sets
  • Premium advent calendars
  • High-end electronics components

Get a quote

Share what you know. We'll take it from there. Or email us at info@herculeindustrial.com

Best Price Guarantee

Already have a packaging quote? Let us beat it.

Send us the quote you have. We will beat it for the same specifications, quantity, and delivery requirements.

Upload a competing quote

Free quote review. No obligation.

30+specialist partner plants

We supply through the plant best suited to your price, material, production, and delivery requirements.

Why we can beat a lower quote

30+ plants give us more ways to lower the price.

Each plant has different machinery, material costs, order minimums, and freight rates. Our buying volume helps us secure better pricing. We then quote through the plant that gives you the lowest total price for your requirements.

Send us your current quote. Watch us beat it.

Attach it to the quote form or email it to us. We'll review it free and send you our price.

Upload a competing quoteinfo@herculeindustrial.com
Best Price Guarantee terms

To qualify, send a written supplier quote dated within the past 30 days and addressed to your company. It must cover the same dimensions, construction, material, print, finish, quantity, tooling, freight, delivery date, and delivery location. The guarantee does not cover taxes, expired quotes, liquidation or clearance sales, or obvious pricing errors.

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Premium Presentation and Fragile Goods

Premium unboxing experiences

When the outer carton is opened, single-wall partitions expose the raw, cut edges of the paperboard. By folding every divider in half, this partition presents a smooth, finished top edge. It is frequently used for cosmetics, advent calendars, and luxury gift sets where the internal grid needs to match the quality of the primary packaging.

Heavy or fragile item separation

The folded board creates a double-wall barrier between every cell. This improves the vertical compression strength of the grid and provides extra cushioning against side impacts, making it a good choice for glassware, bottled liquids, or delicate electronics.

Dust-sensitive product packing

Raw paperboard edges can generate slight paper dust during transit. By folding the top edges and hiding the cuts at the bottom of the grid, this partition reduces the amount of loose particulate that reaches the product, which helps when packing cleanroom-lite or medical components.

High-end advent calendars and kits

For multi-day reveals or complex kits, the internal grid is a major part of the display. The folded edges ensure that empty cells look deliberate and finished, rather than looking like temporary shipping materials.

Cosmetics, Glassware, and High-End Kits

Manual fulfillment operations

This partition is not suitable for automated partition inserters. The fold-first sequence means packing teams manually fold each longitudinal and transverse piece before sliding the slots together. It fits operations already set up for hand assembly or kitting.

Premium retail and direct-to-consumer

Brands selling directly to consumers often use this partition to elevate the unboxing moment. The smooth edges signal quality, while the double-wall construction ensures the products arrive intact without needing additional foam or plastic inserts.

Contract packaging and kitting centers

Facilities that specialize in hand-packing complex assortments can absorb the extra folding labor. Buyers using contract packagers should confirm that the assembly time for the folded dividers is factored into the kitting cost.

Single-Wall vs. Double-Wall Partitions

High-volume packing lines

If the smooth top edge is not strictly necessary for presentation, a single-wall partition is much faster to assemble. Single-wall grids eliminate the pre-folding step, reducing labor costs and opening up the possibility of automated insertion.

Heavy industrial parts

While the double-wall paperboard provides good protection for consumer goods, very heavy metal parts or industrial components may require a corrugated partition instead. Corrugated board offers higher stacking strength but sacrifices the clean, folded-edge presentation.

Assembly Labor and Delivery State

Flat delivery versus pre-assembly

Because the manual folding burden is high, buyers should decide whether to receive the blanks flat or have the converter pre-assemble the grids. Pre-assembled grids take up more shipping volume but drastically speed up the final packing line.

Board choice and grain direction

The board needs to fold cleanly along its entire length without cracking. Grain direction should run parallel to the central fold. Heavy coatings or very thick boards may require testing to ensure the folded edge remains smooth and does not split.

Cell count and grid density

The number of longitudinal and transverse cells dictates how many individual pieces are folded. A dense grid with many small cells will multiply the manual labor needed, which should be weighed against the presentation benefits.

Slot width and board caliper

The interlocking slots are cut wide enough to accommodate the folded, double-wall thickness of the intersecting pieces. If the board grade changes, the slot width should be recalibrated to ensure the grid holds together without tearing the board during assembly.

Cell Count and Slot Friction

Cell count and spacing

The number of longitudinal and transverse cells can be adjusted to fit the product assortment. Changing the cell count automatically recalculates the spacing to keep the compartments even.

Outer edge tapers

The outer edges of the dividers can be tapered slightly. This helps keep the assembled grid from catching or binding on the inner walls of the master carton during insertion.

Slot chamfers

The top corners of the interlocking slots can be chamfered. This creates a wider opening that guides the opposing slots together, easing the manual assembly process.

Packing details

Master carton clearance

The assembled grid adds double-wall thickness to the interior of the box. The outer carton dimensions must account for this extra board volume, especially in dense grids with many cells.

Available Partition Adjustments

Adjustable Cell Counts

The template allows for variable numbers of longitudinal and transverse cells to match the required product assortment.

Tapered Outer Edges

Optional tapers on the far edges of the dividers help guide the assembled grid into the master carton without snagging.

Additional notes

Master carton clearance

The assembled grid adds double-wall thickness to the interior of the box. The outer carton dimensions should account for this extra board volume, especially in dense grids with many cells.

Related Insert Styles

FAQs

Can this partition be assembled by automated machinery?

Automated partition inserters expect flat, single-wall blanks. Because every piece of this grid is folded in half before the slots can be engaged, it relies on manual assembly or specialized pre-assembly by the converter.

Will the folded top edge crack if we use a coated board?

It can, depending on the board grade and grain direction. The grain should run parallel to the long fold. If you are using a heavy Solid Bleached Sulfate (SBS) with a premium coating, the fold should be tested physically to ensure the coating does not split.

How is the slot friction controlled?

The slots are cut to match the folded thickness of the board. If you change the board caliper during a redesign, the slot width should be updated so the pieces slide together smoothly without tearing or fitting too loosely.

Should we order these flat or pre-assembled?

Flat blanks ship very densely but shift a heavy labor burden to your packing team. Pre-assembled grids speed up your fulfillment line but consume much more space on a pallet, increasing inbound freight costs. The choice depends on your facility's labor capacity.

Does this partition reduce paper dust inside the box?

Because the top edges are folded and the raw cuts are hidden at the bottom of the grid, there is less exposed paperboard edge to generate dust during transit. This is helpful for cosmetics or cleanroom-lite components.

Can we use corrugated board for this folded design?

Usually not. Corrugated board is difficult to fold cleanly in half without crushing the flutes or creating a bulky, uneven edge. This partition is intended for paperboard grades like folding boxboard or SBS.

How does the cell count affect the overall cost?

Every additional cell needs more divider pieces, and every piece is manually folded before assembly. A dense grid with many small compartments will increase the hand-packing time compared to a simpler layout.

Does the double-wall thickness affect the master carton size?

Because every divider is folded in half, the grid takes up twice as much internal space as a single-wall partition. The outer carton dimensions should be sized up slightly to accommodate the thicker walls, especially on dense grids.