Preventing ice dam formation is another critical service provided by knowledgeable gutters-contractors in colder climates. Ice dams occur when heat escapes from the attic, melting snow on the roof, which then refreezes upon reaching the cold eaves and gutters, creating a barrier that causes water to back up under the shingles and into the home's interior walls and ceiling. While this ... https://kkroofspecialist.com.sg/gutters-contractors/