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ZINCALUME roll top ridge capping 0.42 BMT BlueScope steel Roll top ridge capping profile for corrugated roofing Roll top ridge Photo

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Rainhead Flashing Order Form Sump / Tray Flashing Form EXAMPLE Flashing Order CUSTOM Flashing Order Form
Would you like a custom flashing, sump, or rainhead? Please download the applicable order sheet and return it to us at sales@metalroofingonline.com.au

Available in VIC & NSW • For QLD & TAS please view other ridge listings

ZINCALUME® Roll Top Ridge Capping – 0.42 BMT Roof Flashing

Attractive and functional finish for your roof’s ridgeline — perfectly suited to corrugated roofing profiles and manufactured from high-quality BlueScope® ZINCALUME® steel. Designed for strength, style, and long-term weather protection.

Why Choose Our ZINCALUME® Ridge Capping?

  • Tailored for Corrugated Roofs: Complements the classic corrugated iron profile for a seamless ridge finish.
  • Roof Pitch Compatibility: Best suited to a 22.5° pitch, with flexibility of ±5–10°.
  • Easy to Secure: Use 12 × 50 mm roofing screws through every second corrugation for a strong, watertight hold.
  • 0.42 BMT ZINCALUME® Steel: Manufactured with premium BlueScope® base metal for durability and longevity.
  • Clear Pricing: Sold per lineal metre — includes GST.
  • Delivery: Fast delivery in approximately 4–7 working days (VIC & NSW only).

Built with 100% Australian-Made ZINCALUME® Steel

All ridge cappings are manufactured using genuine BlueScope® ZINCALUME® steel, engineered to withstand harsh Australian weather. Each piece is tested for performance and backed by BlueScope’s trusted industry warranty.

Need custom flashings or accessories? Download our Custom Flashings Order Sheet.

About ZINCALUME® Roll Top Ridge Capping

The ZINCALUME® Roll Top Ridge Capping gives your roof a strong, neat, and weatherproof finish. It is made from BlueScope® ZINCALUME® steel and designed to suit corrugated roofing profiles.

This ridge capping covers and seals the top of the roof where two sheets meet, helping prevent leaks and wind damage while adding a clean visual line.

Where It’s Used

  •  For roll top corrugated roofs in residential or commercial builds
  •  Common on garages, sheds, and industrial structures
  •  Used to protect the ridge line and improve roof appearance

Product Details

  • Material: BlueScope® ZINCALUME® steel
  • Thickness: 0.42 BMT
  • Profile: Roll top ridge – suits corrugated roofing
  • Roof pitch: 22.5° with flexibility ±5–10°
  • Fixing: Use 12 × 50 mm roofing screws through every second corrugation
  • Finish: Unpainted metallic ZINCALUME® coating
  • Delivery: Available in VIC & NSW only (approx. 4–7 working days)

Why Choose ZINCALUME® Ridge Capping

  •  Designed for corrugated iron roofing
  •  Strong, corrosion-resistant, and easy to install
  •  Made from genuine BlueScope® steel – Australian quality
  •  Matches ZINCALUME® roofing sheets and flashings
  •  Long lifespan with low maintenance

Installation Tips

Always align ridge capping centrally along the roof ridge. Overlap joints by at least 150mm and seal with silicone where required. Use quality fasteners to ensure a tight, weatherproof fit.

Delivery Information

This product is available for delivery in VIC and NSW. Customers in QLD and TAS should view other ridge capping listings for their region. Orders are typically dispatched within 4–7 working days depending on location and stock levels.

Complete Your Roofing System

FAQs

What roof pitch does this ridge capping suit?
It suits a standard 22.5° roof pitch and can adjust between ±5–10° for other common profiles.
Is this ridge capping suitable for corrugated roofs?
Yes, this product is tailored for corrugated roofing profiles and creates a smooth, weatherproof finish.
What thickness is used?
This ridge capping is made from 0.42 BMT BlueScope® ZINCALUME® steel for strength and longevity.
Do you deliver outside VIC and NSW?
This product is available in VIC and NSW. For QLD and TAS, please view our other ridge capping options.