Masters Home Inspections - Preventing Ice Damns This Winter...

As winter continues to set in, we must take appropriate measures to protect our home against the freezing temperatures.  We all know about the common chores; turning off water flow to outside faucets, having our heating system checked and serviced, cleaning the gutters etc.  But have you ever thought to take the appropriate steps to protect against ice dams?

First, lets define what exactly an ice dam is:

An ice dam is a ridge of ice that forms at the edge of a roof and prevents melting snow (water) from draining off the roof and into the gutters. The water that backs up behind the dam can potentially leak into the home and cause damage to walls, ceilings, insulation, and other areas.

So now that we have a general understanding of this issue, let's look at some ways to help prevent ice dams:

1. Consider a home audit to ensure your attic is properly insulated.  "R" values change as insulation becomes compacted, worn or breaks down over time.  Simply enhancement of attic insulation may be the key.
2. Ensure your gutters have been cleaned and are free of obstructions and debris.  Since the fall has ended, now is a great time to get the leaves, twigs and other debris cleaned out.
3. Check your home for poorly insulated gaps and penetrations where conditioned air can easily enter into the attic.  A simple tip is to have someone blow a hair dryer or like device while you check for airflow from the attic side.  If you feel air passing through, then its likely that the penetration is poorly sealed.  A small about of spray foam insulation will help solve these types of problems.  Remember...it doesn't take much!
4. Continue to monitor exterior conditions.  In some cases, you may have to physically remove the ice dam if possible.  If this is the case, use caution...you don't want to damage your shingles, gutters or fascia.