1) Gutter blockage in winter 2) Roof hazard 3) Sort of gutter blockage 4) Winter blockage 5) Winter eave buildup 6) Winter river blockage 7) Winter river blocker
Found on
https://www.crosswordclues.com/clue/ice-dam
An ice dam occurs when water builds up behind a blockage of ice. Ice dams form either when glacier blocks a river and forms a lake or when ice chunks in a river are blocked by something and build up to form a dam, often called an ice jam. Glacial ice dams have historically resulted in massive outburst floods. River ice jams can cause flooding upst...
Found on
http://en.wikipedia.org/wiki/Ice_dam
[roof] An ice dam is an ice build-up on roofs of buildings which may cause water damage to the building and contents if the water leaks through the roof. ==Overview== An ice dam is a problem of house and building maintenance on sloping roofs in cold climates. Ice dams on roofs form when accumulated snow on a sloping roof melts and flows dow...
Found on
http://en.wikipedia.org/wiki/Ice_dam_(roof)
Condition formed at the lower roof edge by the thawing and re-freezing of melted snow on the overhang. Can force water up and under shingles, causing leaks.
Found on
http://www.encyclo.co.uk/local/21074
A mass of ice formed at the transition from a warm to a cold roof surface, frequently formed by refreezing melt-water at the overhang of a steep roof, causing ice and water to back up under roofing materials.
Found on
http://www.rbroof.com/glossary-of-terms
A dam or blockage formed on a roof by the buildup of ice along the eave of a building.
Found on
https://www.encyclo.co.uk/local/21107
No exact match found.
