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Upgrade nowRigid & Flexible Metallic Flue Systems
Read through the material below, then test your understanding.
Module Lessons
Domestic Fuel Systems, Combustion & Flues
Fuel Properties: Gas, LPG & Solid Fuel
Fuel Properties: Oil & Low-Carbon Alternatives
Storing Oil, Coal & LPG
Storing Biomass & General Fuel Storage
Fuel Delivery & Distribution
Complete & Incomplete Combustion
Carbon Monoxide Poisoning
Combustion & Ventilation Air Requirements
Ventilation Categories & Calculations
Ventilation for Open-Flued & Room-Sealed Appliances
Flueless Appliance Ventilation Calculations
Types of Chimney & Flue Systems
Open Flues & Flexible Liners
Flue Terminals & Builder's Openings
Terminal Guards, Flue Blocks & Ridge Terminals
Room-Sealed (Balanced) Flues
Effective Height & Flue Routing
Flue Temperature, Condensation & Termination
Class 1 & Class 2 Flue Construction
Rigid & Flexible Metallic Flue Systems
Flue Testing Procedures
Flue Gas Analysis
Lesson Overview
Learn the installation standards, material specifications, and regulatory requirements for rigid and flexible metallic flue systems under BS EN 1856 and BS 5440.
Learning Objectives
Distinguish between single-wall and twin-wall rigid metallic flue applications and assembly rules.
Identify the specifications and fuel suitability for single-skin and double-skin flexible flue liners.
Apply fire separation clearances, terminal rules, and condensation control limits to metallic flue installations.
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