Knowledge hub

Resources

Technical documentation, sizing tools and project support - everything you need to specify GRAF with confidence.

FAQs

Answers to common questions about sizing, specifications and ordering.

Project stories, product updates and water management insights.

Sizing calculators for tanks, stormwater detention and pump selection.

Dimensional drawings, manuals, tender specs and BIM models on each product page.

Our technical team can help with WSUD compliance, detention sizing and system configuration for your site.

Tell us about your site and water needs - we'll recommend the right products and configuration.