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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
Testing and commissioning gravity rainwater systems ensures that gutters and downpipes are watertight, correctly aligned, and capable of removing roof runoff efficiently without causing dampness or structural damage.
Learning Objectives
Carry out visual pre-commissioning inspections of gutter alignments, bracket fixings, and joint seals.
Execute a standard wet soundness test on gutters and downpipes using simulated rainfall.
Identify common commissioning defects, perform correct remedial actions, and complete handover procedures.
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