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Sizes of flues for chimneys
Table 3.2NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
Table 3.2 Sizes of flues for chimneys Installation(1) | Minimum flue size Fireplace with an opening of up to 500 mm x 550 mm. | 200 mm diameter or a rectangular/square section having the equivalent
combustion-appliancesflueschimneysConstruction of gathers
Diagram 3.5NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
Front sectional elevation Side sectional elevation Flue configurations shown with: - Chimney may be supported by gather unit or by separate loadbearing lintel - Front of gather shaped to form throat
combustion-applianceschimneysgather-constructionFlue block chimneys - materials and construction
4.24NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
A flue block chimney should be constructed from either – (a) a factory-made flue block system primarily designed for solid fuel, as described in paragraphs 2.23 and 2.24; or (b) a factory-made flue bl
combustion-applianceschimneysflue-systemsFlue block chimney installation and support
4.25NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
A flue block chimney should be installed with sealed joints in accordance with the flue block manufacturer's installation instructions. Where bends or offsets are required, these should be formed usin
combustion-applianceschimneysflue-systemsReferenced British Standards for Combustion Appliances and Fuel Storage Systems
Appendix ENI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
BS EN ISO 1182: 2002 Reaction to fire tests for building products – Non-combustibility test. BS EN ISO 1716: 2002 Reaction to fire tests for building products – Determination of heat of combustion. BS
combustion-appliancesfuel-storagechimneysflue-systemsfire-safety