Moisture or humidity in your home can cause big problems for hardwood floors. Since wood is a natural material, it continues to react to environmental changes, even after it is installed in your home as flooring. If a home has excessive moisture, hardwood floors will expand. Likewise, too little moisture can cause wood to shrink. Solid wood floors can expand or contract as much as 3 inches over 10 feet – causing unsightly issues like cupping or gapping. So what can a homeowner do to prevent moisture problems? This article will highlight a few tips for doing just that. Also, be sure to watch the video tutorial mentioned below.