Most roofing nails are made of galvanized iron and over time the calcium chloride in salt pucks will corrode these nails.
How to roof a hockey puck.
These melted the ice dam from below allowing water to drain off the roof.
In the end i still had to remove the snow and ice.
Ask this old house general contractor tom silva explains the best ways to keep your roof and gutters free from those dreaded ice dams.
From roof rakes to hiring a contractor there are lots of ways to clear out ice dams.
The roof melt tabs melt through the ice to the roof and then drains under the ice instead of backing up into the attic.
These products are specifically designed to be thrown up on roofs to melt ice in hard to reach places.
Salty chemical filled water will almost certainly leak into your home.
Roof melt tablets are generally just ideal for your roof.
Calcium chloride is corrosive to certain types of metals.
It comes in smaller granulated pieces so it s easy to spread on various areas.
In fact any form of diy ice dam removal is unlikely to end well there s another reason not to throw salt on your roof and it s a big one.
Over time salt pucks can discolor shingles and the runoff water can discolor your walkways too.
After doing as best i could i then placed more of the tablets in the problem areas with no improvement just holes where i had placed them.
See below for a shopp.
You can also purchase this at your local hardware store.
One of the more popular ways is to toss a throwable ice melting puck onto the roof.
The picture below is the ice dam that fell off my roof after melting from below.
The hockey puck sized pellets only melted a whole in the ice or snow resulting in no improvement to eliminating ice dams or snow from the roof.
They rarely work and they damage your roof.
Today kids i m going to show you how to unfuck your roof from ice dams if salt pucks are not available or you have a very delicate roof situation.
Ice melt is a good alternative.
Salt pucks and salt filled pantyhose are unwise approaches to ice dam removal.
Potentially corrode roof nails.
I ordered extra to have on hand for the future.