Mixed

Mixed-material security and architectural products

Many products do not need to be made from one material throughout. A design may combine steel, aluminium, stainless steel, glass, polycarbonate or other materials so that each component performs a different role.

Why combine materials?

• Structural members can use a material suited to stiffness and fabrication
• Moving or exposed components may benefit from a different corrosion or wear characteristic
• Transparent materials can provide view-through sections
• Different finishes and textures can support the architectural design

The interfaces matter

Mixed-material products need careful detailing where different metals or materials meet. Fasteners, isolation, drainage, movement, coating compatibility and environmental exposure can affect long-term performance.

Do not infer a product specification from this page

The material mix differs by product and can change as products evolve.

Examples of mixed-material applications

Security doors, balustrades, garage doors and architectural screens may combine structural frames with different infill, tracks, bearings, glazing or decorative elements. The correct combination depends on the product rather than a universal formula.

What to compare

Compare each major component's material, how dissimilar materials are joined or isolated, the finish system, maintenance requirements, replacement parts, installation and written warranty.