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PANEL GUIDE
Types of Sandwich Panels
Sandwich panel types vary according to application area, core material, fixing detail, surface profile and insulation/fire performance requirements.
Direct answer
Sandwich panel types vary according to application area, core material, fixing detail, surface profile and insulation/fire performance requirements.
Technical review: MDES Engineering Technical TeamUpdated: 2026-08-05
Types by application area
Panels are mainly divided into roof panels and wall panels. Roof panels focus on water drainage, slope, rib profile and fixing detail. Wall panels focus more on appearance, horizontal/vertical installation and joint lines.
Types by core material
PIR/PUR-based panels offer high thermal insulation and low weight, while rock wool core panels are preferred in projects where fire performance and acoustic insulation are important. Selection should be based on fire, thermal and acoustic expectations.
Types by fixing detail
Visible-fix panels provide practical installation. Hidden-fix panels create a cleaner facade because the fixing elements are not visible on the outer surface. Both systems can be correct depending on the project detail.
Surface and color options
Micro-profiled, flat, corrugated or different surface forms can be used. RAL color options help create facade designs compatible with the architectural language and corporate appearance of the building.
Key points
- Different panel types are used for roof and facade applications.
- PIR/PUR and rock wool cores offer different technical advantages.
- Hidden-fix and visible-fix systems affect facade appearance.
Frequently asked technical questions
Types by application area
Panels are mainly divided into roof panels and wall panels. Roof panels focus on water drainage, slope, rib profile and fixing detail. Wall panels focus more on appearance, horizontal/vertical installation and joint lines.
Types by core material
PIR/PUR-based panels offer high thermal insulation and low weight, while rock wool core panels are preferred in projects where fire performance and acoustic insulation are important. Selection should be based on fire, thermal and acoustic expectations.
Types by fixing detail
Visible-fix panels provide practical installation. Hidden-fix panels create a cleaner facade because the fixing elements are not visible on the outer surface. Both systems can be correct depending on the project detail.
Which information is required for a sandwich panel quotation?
Specify the application, roof or wall type, core material, panel thickness, steel thicknesses, colour, total area, accessories, project location and delivery point. Fire and thermal performance must be confirmed against the project specification before ordering.
Technical references
- EN 14509 self-supporting double-skin insulating panels
- EN 13501-1 reaction-to-fire classification
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