Hearth Marking

Marking of the Hearth Boundary The HETAS technical helpline regularly receive enquiries relating to the subject of how a hearth surface should be marked out, i.e. the demarcation or boundary of the hearth against the regular flooring material in the room. The regulation requiring reference here is as follows: J4: Protection of Building; Combustion appliances Read More…

Ready for Inspection

Ready for inspection When your HETAS inspector makes contact with you for your routine inspection, it is an opportunity to demonstrate your ongoing compliance with HETAS registration and compliance with Regulations. Here we highlight some tips to ensure a compliant inspection. Prior to joining HETAS, installers must successfully complete training and pass an onsite inspection Read More…

Be Alarmed

Be alarmed The positioning of a carbon monoxide alarms can be an important factor in ensuring compliance with Approved Document J and ensuring an alarm has the best opportunity to identify carbon monoxide. HETAS Technical Note 0022 (login required) has all the information you need. Questions from installers over the type, suitability and positioning of Read More…

All in the numbers

All in the numbers The HETAS Technical team has been busy pulling together some of the important numbers that you use in your everyday work. From connecting flue pipe distances to hearth projections, this article has all the numbers you need. Frequently Asked Distances 20% RULE HETAS recommend that any diagonal distance between bends should Read More…

Hearth Guidance

Further Hearth Guidance In the latest HETAS Technical Bulletin which we sent out last month Brian Bailey, Senior Product Evaluation Officer at HETAS expands on his recent hearth article providing clarification on brining a hearth up to specification. In a previous hearth article (HETAS Technical Bulletin #11, June 2018) a number of queries were raised Read More…

Heat Shielding Requirements

Heat Shielding Requirements Back in the September Technical Bulletin, HETAS provided an update on the development status of the BS8303 standard for installation of domestic heating and cooking appliances burning wood and solid mineral fuels. HETAS was pleased to announce that on the 26th October 2018 the BS8303:2018 standard was officially published; this supersedes the Read More…