If wood gets wet, it&#x27;s not necessarily a disaster, as it can be dried. But if there&#x27;s a moisture barrier surrounding it, it might never dry. Think about a log is wrapped in plastic. Moist wood will be eaten by mold.<p>During a house&#x27;s long lifetime, it&#x27;s likely that there are problems and some structure gets to experience some moisture at some point. It should be able to recover.<p>A friend told that a house expert had a quote.<p>&quot;There&#x27;s two kinds of houses: &#x27;if&#x27; houses and &#x27;despite&#x27; houses.&quot;<p>The &#x27;if&#x27; houses stay in shape if everything works correctly. The &#x27;despite&#x27; houses stay in shape despite there being occasional maintenance lapses. The key takeaway is robustness to real life events.