Protecting Engineered Void Systems During Construction
Protection board is used to shield void forms and related materials from damage during installation, reinforcement placement, concrete pours. In expansive soil construction, protecting the void space form during installation is critical to ensuring long-term performance.
At Carton Forms LLC, the protection board is treated as a functional component of the void system — not an afterthought. When specified, it helps ensure void forms perform exactly as designed.
Why Use Protection Board
Void forms are engineered to support concrete loads during placement and then collapse in a controlled manner after curing. Premature damage during construction can compromise that process.
Protection board is used to:
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Prevent puncture or crushing of void forms during rebar placement
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Stop concrete from intruding into void space
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Protect void forms during foot traffic and equipment movement
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Maintain clean, uninterrupted void conditions beneath structural concrete
When the void is a major part of the design, protecting it during construction matters.
How Protection Board Works
Protection board is installed on top of void forms, between where damage is most likely to occur. Once in place, it creates a durable barrier that absorbs jobsite abuse without transferring stress to the void form system.
By isolating the void from construction activity, protection board helps ensure the system performs as intended once the pour is complete.
The goal is simple:
Protect the void until it’s done doing its job.
Construction & Materials
Carton Forms protection board is a rigid, moisture-resistant, high-density, pressed, engineered material.
Key characteristics include:
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Durable pressed fiberboard construction to resist puncture and compression
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Moisture-resistant material suitable for shielding carton forms during construction
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Consistent thickness for predictable protection
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Nominal sized sheets result in affordable protection
Protection board is designed to remain in place without interfering with void form performance.
Applications
Protection board is commonly used in:
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Slab void form systems
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Wall and grade beam voids
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Footing void form installations
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Pier isolation details
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Any condition where void form surfaces are exposed during construction
It is often required by engineers as part of a complete void protection system.
Installation Considerations
Proper placement helps ensure protection board performs its role effectively. Typical considerations include:
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Install board before reinforcement placement
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Cover exposed void areas completely
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Secure board as needed to prevent movement
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Follow engineered details and project-specific requirements
If site conditions or sequencing differs from standard procedures, we’re available to help review options before placement.
Used With Carton Void Form Systems
Protection board is commonly used alongside:
Together, these components help maintain void integrity from installation through long-term performance.
Why Contractors and Dealers Use Carton Forms Protection Board
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Helps ensure void forms perform as designed
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Reduces jobsite damage and rework
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Easy to handle and install
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Compatible with full void form systems
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Required component of structural concrete
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Technical experience you can lean on
Nothing is assumed. Everything is earned.
Availability & Support
Carton Forms protection cover boards are available through local concrete supply dealers. If questions come up around specifications, or take-offs, we work alongside our dealers to offer optional product and installation methods, that help ensure the right solution is quoted and supplied.