5.5 × 185 mm screw for sandwich panels, for steel, 12 mm drilling capacity, zinc-coated

Sandwich panel screws connect the finished panel to the building structure and must suit its thickness and support. A suitable fastener helps realise the benefits of rapid construction of industrial buildings, warehouses and workshops. SteelProfil selects fixings for wall and roof panels with regard to the structural material, connection layout and surface protection under the intended service conditions.

Screw length depends on panel thickness, fixing-point geometry and the required embedment in the support. On steel structures, drilling capacity must also match support thickness. Timber or concrete requires fasteners intended for those materials. We help distinguish the available variants, particularly where a project includes several panel thicknesses or different structural systems.

• The correct fastener length combines panel thickness with the required anchorage in the support.
• A version suited to the support material makes the specified connection easier to install.
• A sealing washer helps protect the fixing point in the panel’s outer facing.

Depending on the variant, cladding screws may have a zinc coating or other appropriate corrosion protection. Select the protection for the environment of the industrial building or outbuilding. Washer material and compatibility of the complete solution also matter. Fastener selection then accounts for both installation and the connection’s subsequent performance under its service conditions.

The commonly used EPDM seal is made of synthetic rubber resistant to UV, ozone and weather. When the screw is correctly installed, it helps seal the penetration through the facing. We match the washer type and any additional load-distributing components to the panel. With exposed façade fixings, head colour can also be considered so that the regular fixing pattern complements the surface and wall divisions. Repeated bay layouts benefit from coherent details that organise the appearance of large cladding surfaces.

Fixing quantities follow the design and recommendations for the selected panel arrangement. We help translate that schedule into sizes and packs, separating wall and roof requirements. SteelProfil’s panel range includes first and second grade and selected stock batches. For screws, we check connection properties and corrosion protection for the building’s intended environment. This helps assemble a compatible set of materials.

Competitive prices and promotions support economical purchasing of cladding and accessories together. Provide panel thicknesses, support material and thickness, and the planned fixing pattern. We can then prepare a suitable fastener list and check availability. A clear order makes installation easier to organise: the installer receives the right version for each task, and accessory costs are visible from the quotation stage.