On someone else’s house, icicles may be a gorgeous sight. On your own home, however, they may be indicative of much more than just the time for snow angels and Christmas carols.   Icicles, when confined to the gutters, can be a tell-tale sign of an ice dam, which can result in water damage and leaks throughout your home. Luckily there are measures you can take to prevent such winter inconveniences; some are as simple as adjusting your interior lighting fixtures. What is an ice dam ? Ice dams occur when the snow on your roof can’t escape because of water...