You don't need to be an expert to assess your house's codes - you just need this guide. What is the proper clearance for an egress window? Does flexible duct have to be supported every four feet or five? Can vent pipe terminations be located near operable doors and windows? The difference between a code-compliant fixture and an egregious violation is often smaller than you think. You may have friends, family, or neighbors who claim to know, but how...