Zincalume Unpainted Screws

Zincalume Unpainted Screws are purpose-designed for fixing Zincalume® steel roofing and wall cladding, delivering secure fastening and long-term corrosion resistance. Featuring a galvanised/Class 4 protective coating and sealing washer, these screws provide reliable performance across residential, rural and light commercial projects.

Ideal for installations where a standard metallic fastener finish is required.

Available Fixing Types

• Steel battens up to 1.0mm BMT
• Steel purlins from 1.2mm to 1.9mm BMT
• Softwood timber battens
• Hardwood timber battens

Applications

• Zincalume® roofing (Custom Orb and other profiles)
• Wall cladding installations
• Sheds, garages and carports
• Rural and agricultural buildings
• New builds and re-roof projects

Key Features & Benefits

• High-strength steel construction
• Corrosion-resistant protective coating (Class 4)
• Self-drilling or Type 17 points (application dependent)
• Hex head design for secure installation
• Integrated sealing washer for watertight fixing
• Designed for strong pull-out performance in steel or timber substrates
• Suitable for Australian conditions

Why Use Correct Substrate-Specific Screws?

• Ensures proper thread engagement and holding capacity
• Prevents over-driving or substrate damage
• Maintains roof integrity and weatherproofing
• Supports long-term structural performance

Zincalume Unpainted Screws provide the strength, durability and reliability required for professional roofing and cladding installations