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Learn roof drainage design, your way

Follow our suggested path from fundamentals to advanced sizing — or browse the full library and jump straight to what you need.

What is AS3500.3 and why it matters

A breif history of AS3500.3 and how it applies to everything for roof drainage in Australia.

Article1 minute read

Flow Rates and how they work

This will explain what a flow rate is, why it is relevant and how we calculate it.

Article2 min read

Explains HCOs and why/how we design them for roof drainage systems

Article10 min read

Why and how we design SSOs for roofs

Article1 min read

Foundational

1 guide

What is AS3500.3 and why it matters

A breif history of AS3500.3 and how it applies to everything for roof drainage in Australia.

Flow Rate

1 guide

Flow Rates and how they work

This will explain what a flow rate is, why it is relevant and how we calculate it.

HCO

1 guide

Explains HCOs and why/how we design them for roof drainage systems

SSO

1 guide

Why and how we design SSOs for roofs

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