
The result is water backing up under the roof shingles or behind fascia boards where it can soak through the roof decking or wall sheathing, causing damage to attics, ceilings and walls. Quinn's Construction is an expert on roofing installations and repairs and can remove the snow on your roof or unclog an ice dam.
Simply put: here are four things that might be the cause of an ice dam roof problem:
- Installation
- Insulation
- Ventilation
- Design

Here's an interesting factoid about snow and its effect on your roof:
For every 10 foot by 10 foot section of
roof with a foot of snow, you have an
extra 2,000 lbs of weight. With an average
roof of 1400 square feet, and only one
foot of wet snow, you now have 28,000 lbs
(14 ton) of weight.