Keeping Your Home Free From Condensation and Mould

Condensation is on steep rise in private rented sector (PRS). The best example we all know is with cooking and bathing as there is an increased internal vapour. Later, however, the heat goes off, the walls will cool down but water vapour levels will take a lot longer to disappear. 

We have all noticed in PRS, where there is condensation in flats, that there will be mould appearing on some clothes, leather, cardboard and shoes and clearly the tenants are not cooking in bedrooms or having baths or showers there. That mould will occur if the relative humidity is more than 75-80%. Where mould will grow, when and to what extent will depend on the material, relative humidity and the air flow. If condensation occurs and no measures are taken, damp on walls, black mould and peeling wallpaper will more than likely appear. 

We have ourselves to blame as we did our utmost to seal the property, making it as airtight as we could in order to save energy with double glazing, cavity insulation, blocking off chimneys and all those factors will help humidity to rise.

The solution is to make sure that the relative humidity does not exceed 65% especially during winter months. This will reduce mould, prevent condensation and save hundreds of pounds in decoration, maintenance costs and not to forget that it will improve the health of occupiers.

How to achieve reduced humidity is by maintaining suitable temperature in flats (so not to high and no sharp changes), adequate ventilation (trickle vents on windows) and using dehumidifiers. 

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