Flues in Voids: Why Every Boxed-In Boiler Flue Needs a HatchWhen it comes to boiler safety, the flue is just as important as the boiler itself. Yet many homes across Birmingham—whether in Edgbaston, Moseley, Selly Oak, or Harborne—still have flues hidden behind boxing with no access hatch.As experienced gas engineers in Birmingham, Afterglow Heating have seen first-hand how risky this can be. A boxed-in flue with no hatch may hide perished seals, missing brackets, or corrosion—each of which c...