Typically, seeing winged termites indoors is the first sign of a termite infestation. Some other signs of infestation include spotting mud tubes that extend over your foundations, support columns, floor joists and other. Sometimes there will be absolutely no sign that your home is infested by termites as these bugs are very quiet pests that prefer to hide. There are cases where a termite infestation can last for years before being detected. When a termite infestation go unnoticed, the damage associated with it is often critical and beyond repair. That's why it is important to regularly book a building a pest infestation.