The enlargement and contraction of hardwood flooring is brought on by adjustments in temperature and humidity inside your property (or, presumably, beneath your property). Temperature itself is just not, by itself, often a serious concern. Temperatures above 75 levels Fahrenheit may cause some (often minor) thermal enlargement of flooring. Extreme heat may also drive moisture out of wooden, sometimes resulting in flooring that shrink throughout summer time relatively than winter. After we activate our air conditioners throughout summer time, our HVAC models have a dehumidifying impact that may additionally have an effect on flooring — and humidity is by far an important issue.
There are numerous completely different opinions concerning the excellent indoor humidity, primarily based on the place you reside (much less humidity is extra snug and creates much less condensation in colder climates) and what you are making an attempt to perform (managing wooden enlargement, for instance, or stopping mildew development). rule of thumb is to maintain indoor humidity between 35% and 55%. Seasonal fluctuations in humidity will in all probability push yours towards the decrease finish of that vary in winter, and the upper finish in summer time. Simply keep watch over your humidity to see if it is inside the precise vary, to ensure your flooring are following the same old expanding-in-summer sample. Keep in mind that flooring moist from condensation, water intrusion, or just moist boots can override humidity and make your wooden develop unseasonably. Moreover, ending and sealing your flooring are among the many greatest methods to stop humidity from damaging them.