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Dry lining around fireplace openings
2.45NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
Where a decorative treatment, such as a fireplace surround, masonry cladding or dry lining, is provided around a fireplace opening, any gaps that could allow flue gas to escape from the fireplace open
combustion-appliancesfireplacegas-safetyFormation of gathers
3.21NI-wide·Technical Booklet L Combustion Appliances and Fuel Storage Systems
To minimise resistance to the proper working of a flue, a tapered gather should be provided in the fireplace for an open fire. This should be formed by – (a) using prefabricated gather components buil
dwellingnon-domesticcombustionfireplace