RAINWATER HARVESTING
Protect Your Rainwater Before It Reaches the Tank
High Performance aluminium gutter mesh designed to help keep leaves and larger debris out of your roofwater collection system.
Your gutters are a critical first stage of your rainwater collection. Our premium heavy-duty aluminium gutter mesh serves as a high-flow pre-filter, fully tested to AS/NZS 4020 for complete safety in drinking water contact.
- AS/NZS 4020 Tested
- Heavy-Duty Aluminium
- Made for Rainwater
- DIY & Trade Supply
AS/NZS 4020
DRINKING WATER CONTACT TESTED
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Your Rainwater System Starts on the Roof
Rainwater harvesting is a highly interconnected system, not just a standalone tank. To secure clean, high-quality water for your home, every stage of the journey must be carefully optimized—starting from the very point of impact.
01
ROOF
Rain lands on catchment
02
GUTTER MESH
Prevents leaves/debris
03
GUTTER
Carries water
04
FIRST FLUSH
Diverts contaminants
05
RAINWATER TANK
Water enters storage
Good rainwater collection starts upstream.
What Is Heading Towards Your Tank?
Leaves
The absolute most common culprit. They block gutter flow and quickly break down into a thick, organic sludge.
Twigs
Blown from overhanging branches, they create structural dams that trap other debris and cause overflows.
Seed Pods
Small, dense botanical pods that easily slip past standard wide-mesh guards and block outlet pipes.
Blossom & Debris
Fine, sticky plant matter that quickly cakes inside your gutters, accelerating the decay process.
Organic Build-Up
Silt and rotting debris that forms a breeding ground for bacteria, directly ruining water purity.
Stop the larger material at the gutter.
Our high-grade DIY rainwater gutter mesh keeps leaves, twigs, and fine debris out of your gutters. Secure a clean, premium water harvesting system and prevent organic decay from entering your storage tank.
RECOMMENDED FOR RAINWATER HARVESTING
High Performance Aluminium Mesh
Engineered specifically for demanding Australian conditions, our premium-grade expanded aluminium mesh provides optimal leaf-shedding and debris control. Rigorously tested under AS/NZS 4020, it guarantees complete safety for drinking water contact, ensuring your rainwater harvesting system collects pure, uncontaminated water directly from your Colorbond roof.
Technical Specifications
- Material: Premium Aluminium
- Technique: Expanded Mesh
- AS/NZS 4020: Drinking-water contact testing compliant
What Does AS/NZS 4020 Mean?
The material your rainwater touches matters.
What It Means
- Independently tested for safe contact with drinking water
- Crucial credential proving no harmful toxic chemical leaching
- Essential compliance data relied upon by architects & specifiers
What It Does Not Mean
- Does not mean the material actively purifies incoming water
- Does not destroy bacteria, viruses, or pathogens in the tank
- Does not replace the ongoing need for mechanical water treatment
Product-tested. System-aware.
Disclaimer: While certified components ensure no harmful contaminants leach from materials, your overall water quality depends on routine system maintenance, proper filtration, and treatment protocols.
RAINWATER HARVESTING BLUEPRINT
Build Protection Into Every Stage
1
Roof Catchment
The foundational collection footprint. Clean, well-maintained Colorbond steel ensures the highest quality initial runoff.
2
Gutter Mesh
Your critical first physical barrier. Stops leaves, twigs, and larger pests from entering and decaying inside your gutter system.
3
Gutters & Downpipes
Engineered for optimal flow rates and gradient design. Prevents stagnant pooling water and rapid downpipe clogging.
4
First Flush
Automatically isolates and diverts the initial wash of dusty roof sediment away from your clean supply.
5
Tank Inlet
A high-precision secondary filter basket situated directly at the entry point of the tank to stop fine particles.
6
Rainwater Tank
Heavy-duty UV-stabilized food grade holding tank designed to keep clean water secure, cool, and free from sunlight decay.
7
Treatment
Final filtration or UV disinfection applied prior to home internal pump delivery for premium potable safety.
Gutter mesh is the first physical debris barrier — not the last treatment stage.
Made for Australian Rainwater Collection
Engineered to protect your water supply and withstand the harshest Australian elements.
Rural Properties
Optimize high-volume harvesting from large roof areas. Reliable leaf shedding and debris protection designed for off-grid homesteads.
Residential Tank Owners
Keep your urban water supply pristine. Perfect for slimline setups requiring low-maintenance filtration and pest prevention.
Builders & Developers
Meet strict bushfire attack level (BAL) ratings and local council water retention guidelines with fully certified, compliant materials.
Plumbers & Installers
Heavy-duty commercial-grade profiles designed for rapid installation, seamless alignment, and callout-free long-term performance.
More Than a Standard Gutter Guard
Engineered for harsh Australian conditions, our premium DIY gutter mesh ensures clean rainwater collection while keeping debris out.
AS/NZS 4020 Tested
Certified safe for contact with drinking water, keeping your harvested rainwater clean, pure, and toxic-free.
Heavy-Duty Aluminium
Woven with high-grade, rust-proof aluminium alloy, engineered to withstand extreme heat and bushfire zones.
Helps Reduce Debris
Keeps leaves, twigs, and pests out of your gutters, drastically reducing cleaning frequency and preventing blockages.
Supports Water Flow
Features optimized aperture patterns that guide water efficiently into gutters even during downpours.
Multiple Widths
Available in various sizing options to fit standard, wide, or custom valley gutters seamlessly.
Colorbond® Colour Range
Perfectly matches your existing roofline with genuine, durable powder-coated Colorbond® options.































