Ice Dams and Dry Rot – What are they?
Much like a beaver damn, an Ice dam is a build up of martial – in this case ice – that collects near the rain gutters and prevents the drainage of melting snow. Large clusters of icicles hanging from the side of your home or building is a good indication that you have that you have ice dams forming.
What causes an ice dam?
Ice dams form as a result of indoor heat being trapped in the attic. Due to the heated surface, snow melts on the roof and becomes ice, trapping the melting snow.
How do ice dams lead to water damage?
The melted snow/water that is backed up behind the dam, will work its way under the membrane & shingles and into the attic. From there it may affect the: drywall, insulation, development of mold, and has the potential to create a number of other problems.
How do you prevent an ice dam?
Proper ventilation and insulation. Make sure your ventilation system creates a consistent attic temperature and maintains a proper airflow.
What is Dry Rot?
Dry rot is a wood-destroying fungus that is found in most parts of the world. Although it affects forest timbers, dry rot is best known for its ability to destroy timbers in ships and buildings.