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ICB40013

Rigid Board Corner Bulkhead Module

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.
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Product details

Top highlights

Four-piece tool-free assembly
Forms a rigid 90-degree corner
Designed for 16mm honeycomb or ICB

About this product

This four-piece rigid board module forms a stable, self-supporting 90-degree corner for large-format retail displays and modular exhibition walls. It uses a tool-free tab-and-slot system, relying on a horizontal bulkhead and a central locking key to hold two tall vertical panels securely in place.

Designed for thick materials like 16mm honeycomb or inverted corrugated board (ICB), the structure provides excellent vertical column strength and resists racking, making it a reliable anchor point for modular display systems.

Common uses

Retail POP corners
Modular exhibition booths
Structural pillars for heavy headers

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Structural Roles In Retail And Exhibitions

Modular Exhibition Booths

The corner module acts as a foundational pillar for temporary walls. The outer edges feature slots designed to interlock with adjacent straight wall panels, allowing teams to build out larger floor plans without hardware.

Heavy-Duty Retail POP Corners

For semi-permanent store fixtures, the thick rigid board offers a premium, architectural look. The tall vertical panels provide uninterrupted surfaces for large digital printing.

Structural Pillars For Overhead Headers

When a display needs to support a heavy overhead header or bridge, this 90-degree assembly provides the necessary vertical compression strength. The horizontal bulkhead squares the corner and transfers top loads down through the vertical axes of the walls.

Freestanding Brand Activations

Used as a standalone corner unit to anchor a brand activation space, providing a stable, two-sided visual barrier that defines the footprint of the promotion.

Environments Using Rigid Corner Modules

Trade Show And Event Installers

Event teams benefit from the completely flat-packed delivery and tool-free setup. The friction-fit slots and drop-in locking key mean the corner can be erected quickly on-site without specialized labor or fasteners.

Large-Format Retail Merchandising

Retail teams can use this module to create distinct shop-in-shop areas. The rigid board construction supports heavy product loads when paired with shelving, while maintaining a clean, professional appearance.

Pop-Up Shop Builders

Temporary retail spaces require fixtures that look permanent but can be transported flat and assembled quickly. This module provides architectural presence without the need for carpentry or tools.

When To Consider Alternative Display Structures

Single-Piece Folding Corners

If the display is lightweight or uses thinner corrugated board, a single scored sheet folded into a corner may be sufficient and easier to produce. This multi-piece bulkhead module is specifically for thick, rigid boards that cannot be easily creased and folded.

Straight Wall Runs

If the floor plan does not require a 90-degree turn, straight wall modules should be used instead. This unit is strictly for forming and stabilizing right angles.

Material, Height, And Routing Choices

Board Thickness And Slot Tolerances

The entire stability of the corner relies on friction. The CAD file's slot widths must be precisely matched to the actual caliper of the chosen board (typically 16mm). If the board is thinner or thicker than the specified slots, the assembly will either fail to engage or be too loose to stand safely.

Production Route For Thick Boards

Because this module is designed for thick honeycomb or ICB materials, it requires CNC flatbed routing rather than traditional die-cutting. This affects production speed and routing choices, making it better suited for short to medium runs.

Panel Height And Bowing Risk

The vertical panels can be scaled to reach tall overhead clearances. However, taller panels increase the risk of bowing under load. The chosen board grade must have sufficient rigidity to maintain a straight column over the requested height.

Print Surface And Branding Layout

The two large vertical panels offer ample space for graphics. Buyers should decide whether the inside, outside, or both faces require printing, as this changes the production path for thick boards.

Modifying The Corner Footprint And Height

Corner Span And Footprint

The width of the horizontal bulkhead can be adjusted, which changes the overall footprint and depth of the corner. A wider bulkhead creates a deeper, more substantial corner presence.

Top Profile Adjustments For Headers

The top profile of the vertical walls and the bulkhead can be modified to accept specific header shapes or additional cross-bracing, depending on the display's top-load requirements.

Modular Connection Slots

The outer edges can be configured with or without interlocking slots, depending on whether the corner will stand alone or connect to a larger wall system.

Packing details

Central Locking Key Function

The small T-shaped locking panel is a key part of the structure. It drops vertically into the center slot of the bulkhead, wedging the joint where the two walls meet. This prevents the bulkhead from lifting or shifting if the display is bumped.

Freight Requirements For Tall Panels

Despite forming a large, volumetric corner, the four components pack completely flat. This minimizes shipping volume, though the sheer length of the vertical panels often requires LTL freight rather than standard parcel delivery.

Additional notes

Edge Finishing For Rigid Boards

Because this module uses thick honeycomb or ICB, the cut edges will expose the internal core structure. If a smooth, finished look is required for retail, edge-banding or specific routing techniques may need to be discussed.

FAQs

Does this corner module require any hardware or glue?

No. The four pieces (two walls, one bulkhead, and one locking key) assemble entirely through friction-fit tabs and slots. No tools, tape, or adhesives are needed.

Can this be made from standard corrugated cardboard?

It is not recommended. The design is engineered for thick, rigid materials like 16mm honeycomb board or Inverted Corrugated Board (ICB). Standard corrugated lacks the necessary rigidity for a tall, friction-fit corner without folds.

How does this connect to other display walls?

The outer vertical edges of the wall panels feature exposed slots. These are designed to receive tabs from adjacent display units or straight walls within the same modular system.

Can this be shipped via standard parcel networks?

Usually not. Because the vertical panels are often designed to be very tall, the flat-packed components will exceed standard courier size limits and require freight shipping.

What keeps the corner from splaying open?

The horizontal triangular bulkhead bridges the top of the two walls, locking them at a strict 90-degree angle. The central T-shaped key then wedges the bulkhead in place so it cannot lift off.

Can the height of the corner be changed?

Yes, the vertical panels can be shortened or lengthened. However, any major increase in height should be physically tested to ensure the chosen board will not bow or buckle under its own weight or the weight of a header.

Can both sides of the corner be printed?

Yes, the rigid board panels can be printed on both the inside and outside faces. This is often done for freestanding brand activations where shoppers walk around the entire structure.

Can the display be taken down and used again?

Yes, the friction-fit tabs and slots allow the corner to be disassembled and packed flat for future events. However, repeated assembly can eventually wear down the board edges, so it is best suited for a limited number of setups.