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Vaulted ceiling cold bridge solution

Pre-war property with what I'm told are vaulted ceilings, to a layman this is plaster coving between wall and ceiling in bedrooms and bathroom. Severe mould problem along this coving because it is obviously a cold bridge, neither wall cavity insulation nor loft insulation would go into the space behind it, in fact any such insulation would make problem worse. British gas free insulation will do either wall or loft but not both, knowing that any insulation will make problem worse and offer no solution to the cold bridge problem itself. Surely there is someone out there who has found a solution?

1 Answer from a MyBuilder Architectural Designer

Best Answer

The answer to this is not entirely straight forward. The mould is most likely caused by lack of insulation but also lack of ventilation. To ensure a fully insulated room without cold bridging, one would need to consider a layer of continuous insulation to the internal face of the external walls, which would then continue seamlessly into the loft and roof insulation. There is no cheap and simple way to do these works properly as failure to follow the correct procedures is likely to result in further problems or latent defects. It's unlikely you will get the work done for free, but best of luck trying.


Answered 23rd Aug 2015

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