Testing Chimney Flues

02 how to test the safety and efficiency of flues and chimneys technical guidance for installers and trade www labc co uk introduction this guide is intended to advise installers on the practices and procedures that must be followed in the commissioning and testing of flues and chimney systems serving solid fuel appliances.

Testing chimney flues.

Airtherm flue systems limited now provide pressure testing of all types of flue chimney and exhaust systems fully in accordance with igem up 10 edition 4. A smoke test 1 involves lighting an appropriate number of smoke pellets into the fireplace. This will force the smoke generated by the pellet to escape through gaps in the joints in a masonry chimney or connections between pre fabricated metal chimneys and flue pipes. To conduct a smoke test we introduce smoke into a hot flue and test that all the smoke is safely and effectively removed from the test point out into the.

Flue testing for systems that are expected to operate under a positive pressure for example c h p flues and generator exhausts a second test the leak rate test should also be carried out. Closing the bottom and top of the chimney during the test will generate a positive pressure in the flue. A chimney leakage test also known as a chimney smoke test 1 is used to check that the flue will be safe and not leak potentially dangerous gasses into rooms above or an adjacent property. Article index to heating systems.

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