Kings Posted May 10, 2020 Share Posted May 10, 2020 Hello We are having a house built and would like a log burner. The architect has not designed a large enough fire place. The opening is only 60cm. However if we do not put the cavity wall in there will be an opening of 100cm which is fine. Is there something like a liner that we could use that would do the same job as a cavity wall but not take up the space. We need to ensure that the building warranty provider will be happy with the alternative so it needs to meet regs. Link to comment Share on other sites More sharing options...
ProDave Posted May 10, 2020 Share Posted May 10, 2020 I would not build a "fireplace" I much prefer the look of a free standing stove, just on a hearth, and a twin wall flue pipe. Choose the right stove and it does not even need to be a constructional hearth. 1 Link to comment Share on other sites More sharing options...
nod Posted May 10, 2020 Share Posted May 10, 2020 We had exactly the same So I increased the outside to 1650 which gives a 950 opening on the inside Architects use cad drawing so will add a one size fit all to the drawing Really easy to change no need to go back to planners 1 Link to comment Share on other sites More sharing options...
A_L Posted May 10, 2020 Share Posted May 10, 2020 @Kings , perhaps you could incorporate Foamglas insulation in some way. It is incombustible and unaffected by heat to a high temperature. https://www.foamglas.com/en/advice-center/protection-areas/temperature Link to comment Share on other sites More sharing options...
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