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Have read every source to reduce humidity level for subground flat. Bu

Posted by Stefan G, on Wed 30 Jan 2013 12:00am

Have read every source to reduce humidity level for subground flat. But mold still occurs. Also,have to 2 air vents and external walls are internally insulated.

Chris Plastow

Thu 31 Jan 2013 12:00am

Humidity control is science and many attempts to control it can be a waste of time! Have you looked at the HRV150-12hour fan that allience remedial supplies sell? This may be the solution. Frustratingly it is about air exchange rather than temperature control. Mould can ONLY grow with RH above 65%, this is a scientific fact!

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