Technical Bulletin 21

A downloadable copy of this Bulletin and the previous tweet editions are available in the HETAS Technical Area (login required).

Welcome to HETAS Technical Bulletin 21, our second Bulletin of 2021. The technical team discuss a range of issues in this edition in support of your work as registered installers, chimney sweeps, servicing technicians and retailers. The articles are based on helpline discussion topics and common issues that arise from installations, inspections and feedback.

A full list of articles are below:

  • Distance to combustibles
  • Vapour Barriers
  • Flexible Liners
  • Notifications & commissioning

Click below for full view – use the arrows and buttons below to navigate. Press “ESC” to exit full view.

HETAS Technical Bulletins are the copyright of HETAS. All rights are reserved and produced for the benefit of HETAS registrants. They may not be distributed or reproduced in any form without the prior permission of HETAS.