Ice dams are one of the most common winter roof problems we see across Massachusetts, especially after heavy snow followed by a warm-up and a deep freeze. Homeowners usually notice big icicles at the eaves , water stains on ceilings , or even dripping inside  when it hasn’t rained. The tricky part is that a lot of “quick fixes” either don’t solve the cause or they damage shingles, gutters, and flashing. What is an ice dam? An ice dam forms when snow melts on the warmer upper