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Upgrade nowJointing, Expansion, and Downpipes
Read through the material below, then test your understanding.
Module Lessons
Rainwater
Rainwater Systems, Materials, and Profiles
Roof Area Calculations and Sizing
Brackets, Falls, and Setting Out
Jointing, Expansion, and Downpipes
Terminations, Harvesting, and Maintenance
Introduction to Sheet Lead Weatherproofing
Lead Tools, Safety, and Handling
Types of Flashing and Fixing Methods
Testing and Commissioning Rainwater Systems
Lesson Overview
This lesson covers the practical methods used to cut, joint, and accommodate thermal movement in rainwater gutters, as well as the correct installation and support of downpipe assemblies.
Learning Objectives
Explain the correct procedure for cutting, jointing, and securing PVCu and cast iron gutter systems.
Calculate thermal expansion in PVCu gutter runs and apply the required expansion gap settings.
Identify downpipe components, assembly methods, and correct support clip spacing.
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