Put de icer in each hole above the ice dam and in a vertical line down to the edge of the roof.
How to remove thick ice on flat roof.
To use the rake pull the snow toward the edge of your roof.
At about every three feet along the edge of the roof break the ice crust just above the ice block on the edge of the roof.
Check the gutters edges downspouts etc.
If you push the snow across the roof you could end up damaging the shingles.
Purchase a long handled aluminum roof rake preferably with wheels or a non stick graphite blade.
If necessary use a long handled rake or other tool to help get it in position.
For the diy ice removal there are roof salt products that can help thaw ice hergott says.
The first thing you can do as a homeowner is to visually inspect your roofing.
See where the bulk of ice formations are.
Use noncorrosive de icers and use as little de icer as possible.
Put de icer in each hole above the ice dam and in a vertical line down to the edge of the roof.
Fill a woman s stocking with calcium chloride and lay it in position directly over the ice dam in your gutter.
Over time the calcium chloride will clear a channel in the ice dam allowing the water on your roof to escape.
Use noncorrosive de icers see de icers and use as little de icer as possible.
When you have identified specific areas where you can find ice dams use a snow rake to remove them.