INSULATED SANDWICH PANEL SYSTEM

PUF Panel

A rigid polyurethane foam core bonded between two metal facing sheets, used as a fast-install structural insulation panel for cold storage rooms, clean rooms and insulated PEB walls and roofs.

  • High thermal efficiency per mm
  • Steel-faced rigid foam core
  • Tongue-and-groove and cam-lock joints
  • Wall, roof and cold-room panels
Cross-section of a PUF panel showing foam core and metal facing

QUICK PRODUCT SUMMARY

PUF Panel at a Glance

A PUF panel is manufactured by injecting rigid polyurethane foam under pressure between two pre-painted or galvanized steel sheets, where it chemically bonds to both facings to form a single structural unit. The closed-cell foam core delivers a high level of thermal insulation for a relatively thin panel, making it a common choice wherever fast installation, low weight and strong thermal performance all matter together.

Construction
Rigid PU foam core bonded to steel facing sheets
Options
Tongue-and-groove and cam-lock joint systems
Applications
Cold storage, clean rooms and PEB structures
Available configurations: Wall Panels • Roof Panels • Cold Room Panels • Ceiling and Partition Panels

PERFORMANCE ADVANTAGES

Why PUF Panels Are Specified

PUF panels are selected for projects that need high thermal efficiency, fast modular assembly and a hygienic finish together. Their suitability always depends on the selected density, thickness, facing gauge and joint system.

High Thermal Efficiency

The closed-cell rigid foam core provides strong thermal resistance per millimetre, allowing thinner panels to match thicker conventional insulation.

Fast Modular Installation

Prefabricated panels with interlocking joints allow rapid on-site assembly, reducing construction time compared to conventional insulated structures.

Lightweight Structural Panel

The steel-and-foam sandwich construction is significantly lighter than masonry-based insulated structures, easing transport and handling.

Hygienic, Cleanable Surface

Smooth metal facings with sealed joints support clean, non-porous interiors suited to food, pharmaceutical and cold-storage environments.

Density and Thickness Range

Available across a range of core densities and thicknesses, allowing selection according to the temperature, span and load requirement of the project.

Joint System Options

Tongue-and-groove and cam-lock joint systems allow the panel to be adapted to different assembly speeds and site conditions.

APPLICATION AREAS

Where PUF Panels Perform Best

PUF panels are used across cold-chain, cleanroom and PEB construction systems where thermal efficiency, hygiene and fast assembly all need to be managed within the same building envelope.

PUF insulated panels forming a cold storage room

Cold Chain

Cold Storage and Freezer Rooms

High thermal efficiency per millimetre helps maintain low internal temperatures while keeping wall and roof thickness to a minimum.

PUF panel walk-in cooler with cam-lock joints

Refrigeration

Walk-In Coolers and Chillers

Cam-lock joint panels allow modular walk-in units to be assembled, disassembled and relocated with minimal on-site work.

PUF panel walls inside a pharmaceutical clean room

Clean Room

Clean Rooms and Pharma Facilities

Smooth, sealed steel-faced panels support the cleanable, non-porous interior surfaces required in pharmaceutical and food-grade environments.

PUF insulated panels installed on a PEB wall and roof

PEB

PEB Walls and Roofs

Used as the insulated envelope on pre-engineered buildings, combining structural facing, thermal performance and rapid installation.

PRODUCT CONFIGURATIONS

Choose the Right PUF Panel Configuration

The panel type, joint system and facing should be selected according to the structure type, operating temperature, span and installation method.

Wall Panels

Vertical envelope panels used for insulated walls in cold rooms, clean rooms and PEB structures, typically with tongue-and-groove joints.

Roof Panels

Profiled panels designed to shed water while providing an insulated, structurally supported roof surface.

Cold Room / Cam-Lock Panels

Panels fitted with a cam-lock joint system for quick, tool-assisted assembly and disassembly of modular cold rooms.

Ceiling and Partition Panels

Lighter-gauge panels used for internal ceilings and partitions inside cold storage, clean room and food-processing facilities.

Note: joint system and facing gauge are not automatically interchangeable — product selection should always consider the complete installation assembly.

JOINT SYSTEMS

Why Facing and Joint System Matter

The polyurethane foam core provides the thermal performance, while the metal facing and joint system determine strength, hygiene and how quickly the structure can be assembled. Choosing the right combination depends on the structure type, temperature and site conditions.

  • The PU foam core provides the core thermal insulation.
  • Steel facing gauge affects rigidity, durability and load capacity.
  • Tongue-and-groove joints suit fixed wall and roof installations.
  • Cam-lock joints suit modular structures that may be relocated.
Technical note: Core density, thermal conductivity and fire classification figures should only be quoted when the exact claim, test method and product grade are supported by a valid test report. Please request the current technical datasheet for figures applicable to your project.

MANUFACTURING AND QUALITY

Manufactured for Cold-Chain and PEB Project Requirements

Foam density control, facing quality and dimensional consistency all influence how a PUF panel performs, seals and installs on site.

Raw Material Selection

Polyol, isocyanate and blowing agents are selected and dosed to produce a consistent closed-cell foam for the intended density and grade.

Density and Dimensional Control

Core density, panel thickness and length are controlled during foam injection for predictable performance and easier installation.

Facing and Bonding Quality

Steel facing sheets are properly chemically bonded to the foam core to support panel rigidity, durability and joint sealing.

Inspection and Dispatch

Panel inspection, edge protection and dispatch controls help reduce installation issues and joint damage at the project site.

TECHNICAL INFORMATION

PUF Panel Specifications

The exact specification varies by core density, thickness, facing gauge and joint type. Refer to the current technical datasheet for final project selection.

Core materialRigid polyurethane foam, closed-cell structure
Facing materialPre-painted galvanized or Galvalume steel sheets
Joint systemTongue-and-groove or cam-lock, per configuration
Core densityMultiple grades — refer to current product datasheet
ThicknessMultiple options — refer to current product datasheet
Thermal conductivityRefer to tested value for the selected grade
Service temperatureRefer to current technical datasheet
Fire performanceOnly as certified for the selected product grade
Panel widthAvailable according to product configuration
Panel lengthAvailable according to product configuration
ColourProduct-grade dependent
Typical applicationsCold storage, clean rooms and PEB walls and roofs
Installation methodApplication and assembly-dependent