Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 42·3.13
Alternative flue liner materials for thatched roofs
Non-metallic chimneys and cast in-situ flue liners may be used for thatched roofs provided heat transfer to the thatch is assessed in relation to thatch depth and spontaneous combustion risk.
Non-metallic chimneys and cast in-situ flue liners can also be used provided the heat transfer to the thatch is assessed in relation to the depth of thatch and risk of spontaneous combustion.
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