J O N L I N E V E R S I O N J Contents PAGE PAGE What is an Approved Document?
3 Connecting flue pipes 23 Repair of flues 23 How to use this Approved Document 3 Re-Use of existing flues 24 Where you can get further help 3 Responsibility for compliance 4 Use of flexible metal flue liners for the relining of chimneys 24 The requirements 5 Use of plastic fluepipe systems 24 Limitation on requirements 5 Factory-made metal chimneys 24 Types of building work covered by this Approved Document 5 Concealed flues 25 Notification of work 6 Configuration of natural draught flues serving open-flued appliances 26 Exemptions 6 Inspection and cleaning openings in flues 27 Materials and workmanship 7 Flues discharging at low level near boundaries 27 Supplementary guidance 7 Technical Specifications 7 Dry lining around fireplace openings 27 Condition of combustion installations at completion 27 Independent schemes of certification and accreditation 7 Interaction with other legislation 7 Notice Plates for hearths and flues 28 Maintenance 8 Access to combustion appliances for maintenance 28 The Requirements J1, J2, J3, J4, J5, J6 and J7 9 Section 2:
Additional provisions for appliances burning solid fuel (including solid biofuel) with a rated output up to 50kW 29 Section 0: General guidance 10 Introduction to the provisions 10 Explanation of terms used 10 Air supply to appliances 29 Size of flues 29 Measuring the size of flues and ducts 16 Height of flues 30 Section 1:
Provisions which apply generally to combustion installations 17 Outlets from flues 30 Connecting fluepipes 32 Performance 17 Air supply for combustion appliances 17 Location and shielding of connecting fluepipes 32 Permanently open ventilation of rooms 17 Debris collecting space 33 Permanent ventilation of appliance compartments 17 Masonry and flueblock chimneys 33 Ventilation of other rooms or spaces 17 Separation of combustible material from fireplaces and flues 34 Permanently open air vents 19 Factory-made metal chimneys 34 Provisions complying with both Part F and Part J 20 Lining and relining of flues in chimneys 34 Interaction of mechanical extract ventilation and open-flued combustion appliances 21 Formation of gathers 35 Hearths 37 Fireplace recesses and prefabricated appliance chambers 38 Provision of flues 22 Condensates in flues 22 Fireplace lining components 40 Construction of masonry chimneys 22 Walls adjacent to hearths 40 Construction of flueblock chimneys 22 Alternative approach 40 Carbon monoxide alarms 41 Material change of use 23 1 Approved Document J Combustion appliances and fuel storage systems O N L I N E V E R S I O N