Building Regulations and Manufacturers Instructions

Calvin May, Technical Standards Manager on dealing with conflicts between Approved Documents/British Standards requirements & manufacturer instructions In last year’s Technical Bulletin 19, HETAS covered the subject of application of Approved Document guidance and BSI recognised standards to comply with the principal requirements of the UK Building Regulations J1-J5. The article included reference to the Read More…

The importance of chimney design

Every solid fuel heating appliance installed in the UK will be connected to a suitably sized chimney system, to allow for products of combustion created during the burning of solid and biomass fuels to escape from the appliance and be safely emitted to outside. For all combustion appliances, this process of combustion product dispersion is Read More…

Hearth Boundaries

Hearth Boundaries The HETAS Technical team often provides clarification to registrants on issues relating to the subject of how a hearth surface should be marked out, ie. the demarcation or boundary of the hearth against the regular flooring material in the room. Regulation The regulation requiring reference here is Approved Document J (ADJ): J4: Protection Read More…

Working with Building Control

Working with Building Control (Appendix A) as part of Approved Document J A recent roundtable hosted by HETAS revealed a number of issues that are affecting both the biomass and wood-burning stoves markets. One of the key areas of discussion was the issues surrounding the ‘signing off’ or ‘notification’ of solid fuel & biomass installations and Read More…