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Downpipe Square Zincalume

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ZINCALUME® Downpipe – 100 x 75mm

Tough, rust-resistant, and ready to install — upgrade your roof drainage with genuine BlueScope ZINCALUME® downpipes.

To order: Select your downpipe length and required accessories above.

✔ Engineered for Australian Conditions

Built tough from 100% Australian BlueScope ZINCALUME® steel, this 100 x 75mm rectangular downpipe offers exceptional strength, corrosion resistance, and weather endurance — perfect for all regions of Australia.

✔ Choose Your Length

  • 1.8 metre length
  • 2.4 metre length

Both options ensure a clean fit for most residential and commercial gutter systems.

✔ Compatible with Steel or Tiled Roofs

Ideal for new builds or retrofits. Suits a wide range of COLORBOND® and ZINCALUME® fascia and guttering systems.

✔ Backed by BlueScope Warranty

Enjoy full peace of mind with Australia’s most trusted steel warranty from BlueScope.

✔ Need Matching Accessories?

✔ Fast Delivery

Order online today for fast dispatch across VIC, NSW, QLD, TAS & ACT.

More Information - Zincalume 100 x 75 Downpipe

Product Overview

Our 100 x 75 ZINCALUME® Downpipe is designed to provide a reliable and efficient water drainage solution for your building. Crafted from high-quality, lightweight, and strong steel, this downpipe is perfect for use with both steel and tile roofs. The ZINCALUME® material ensures exceptional corrosion resistance, making it a durable and long-lasting option for various building applications. Whether you are dealing with a new construction or a renovation project, this downpipe offers the reliability and performance you need.

Premium ZINCALUME® Steel Downpipes – Built for Performance & Longevity

Complete your roofing and gutter systems with 100 x 75 ZINCALUME® Downpipes, engineered for superior drainage efficiency, durability, and a sleek, modern finish. These high-quality downpipes ensure optimal water management while seamlessly integrating with both steel and tile roofs.

Why Choose Our ZINCALUME® Downpipes?

  • Available in 1.8m or 2.4m lengths – Ideal for various installation needs.

  • Constructed from high-tensile, lightweight steel – Built for strength and longevity.

  • Corrosion-resistant ZINCALUME® steel – Proven to withstand harsh Australian weather.

  • Quick & easy installation – Compatible with both tiled and metal roofing systems.

  • BlueScope-backed warranty – Assurance of superior quality and performance.

  • Optimized for efficient rainwater drainage – Ensuring your property remains protected from water damage.

Technical Details

  • Material: Manufactured from high-tensile steel for added strength and durability.

  • Compatibility: Suitable for use with both steel and tile roofs.

  • Size: Available in 100 x 75mm dimensions.

  • Length: Available in 1.8 and 2.4 metre lengths.

  • Quantity: Available for purchase in various quantities to suit your project needs.

  • Base Metal Thickness (BMT): 0.40mm.

  • Product Type: Rectangular downpipe.

  • Adjustable Range: Not applicable (fixed downpipe).

  • Price: Competitive pricing available upon request.

By providing these detailed specifications, we ensure that you have all the information needed to make an informed decision about our 100 x 75 ZINCALUME® Downpipes. Whether you are a contractor, builder, or homeowner, our downpipes are designed to meet your needs with superior performance and reliability.

Optimized Downpipe Placement for Maximum Efficiency

Proper positioning of downpipes is crucial for effective water drainage and roof longevity:

  • Placement: Downpipes should be installed at low points in eaves gutters or box gutter sections to ensure effective water flow.

  • Spacing Recommendations:

  • Residential projects – Keep downpipes ≤10m apart for efficient water discharge.

  • Industrial/commercial projectsLarger downpipes can be spaced ≤18m apart based on site requirements.

  • Vertical Connection: Each downpipe must be connected vertically to the base of the gutter for optimal performance.

Proper stormwater management is essential for preventing water damage and ensuring the longevity of your roof.

Engineered for Australian Conditions

Made from 100% Australian BlueScope Steel, our ZINCALUME® downpipes deliver unmatched durability, corrosion resistance, and long-term reliability. Whether you’re working on a new build or a roofing upgrade, these downpipes provide consistent, efficient water management to protect your property. These downpipes are designed to withstand a wide range of weather conditions, ensuring consistent performance year-round.

Order Online for Fast, Reliable Delivery