Quote:
Originally Posted by denphone
Not sure how good the new builds being built on the outskirts of our city are like but one would hope they are of a better quality then many of the ones being built in the inner city places in our city as the rooms are small and there have been many complaints of dampness in some of the new builds.
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Damp problems are usually the result of people not heating them enough, keeping the night vents on the double glazing units closed, or interfering with the operation of extractor fans (reducing the run-on time in the bathroom, or even worse, shutting it off at its isolator to save electricity). The latest building regs make new build houses extremely draughtproof and thermally efficient but the result is if you live in one and neither ventilate nor heat it adequately the human body’s natural tendency to shed moisture will raise the humidity to the point where it becomes problematic.
We found there was a temptation to shut all the night vents when winter first hit, just to eliminate all possible sourced of cold air, but the humidity indoors began to climb. We now keep two vents open in the kitchen diner and this is adequate in our house, because there are always-on extractor fans in the bathrooms, the kitchen and the utility room, so air is always flowing through.