Rather than climbing a ladder in the cold or risking.
Get the snow off the roof.
There are plenty of ways you can modify your own but this.
Avoid using a metal rake as this can scrape your roof and cause damage.
With your roof check your flashing shingles and asphalt underlay to make sure everything s tight and there s no damage that you missed and install a guard such as gutter helmet on your rain gutters to allow ice and snow to slide off the roof while catching water.
Never use rock salt for this as it will do more damage to your roof than it will to the ice.
If you live in a small one story home you can probably use a roof rake to reach most or all of your roof and keep it snow free by routinely raking the snow off.
Alternatively you can fill paper bags with calcium chloride and toss them up on to the roof just above the ice dam.
Heavy loads of wet snow can eventually lead to shingle damage stress on load bearing walls and even roof collapse.
Removing snow from your roof is a slippery undertaking.
Instead of pulling the snow off your roof you re just sliding under the snow with a tarp that causes it all to glide off of your roof.
Unfortunately sometimes you can rake ten feet of snow off your roof and still get an ice dam right where you stopped raking higher up on your roof.
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Nonetheless you can get a rough estimation of what the snow weighs by eyeballing its depth as it sits on your roof.
For instance the experts at house logic report that six inches of wet snow is equal to the weight of about 38 inches of dry snow this gives you some idea of how heavy the stuff really is.
Stand as far back from the edge of the roof as possible so snow or ice doesn t fall on top of you as you re raking.
If your home has a roof with a substantial pitch ice dams and clogged gutters can still prevent snow from sliding off.
An alternative way to remove snow from your roof.
This will get most of the snow off your roof but the downside is the time and the cost.