When it comes to home safety, the only way to build a complete envelope of security is with a whole-house monitoring system. This may include door and window alarms, motion detectors, lights, wi-fi camera systems, or some combination thereof. But one thing remains certain: If there is a gap in the perimeter, trouble will find it. Don’t just block one or two obvious access points. Create an impenetrable home-security network with these proven techniques. Here are some items that can help you do just that.