Frozen pipes are a real threat to homes in the winter months. When water freezes, it expands by about 9%. This causes increased pressure in your home's pipes, which can lead to pipes cracking or bursting. Often leaving you with unexpected home repair costs. So, what should you do before winter? Use foam pipe insulation for exposed water lines Insulate Water Pipes Water pipes located in unheated exterior walls, basements and garages should be insulated with sleeve-style pipe i