Is Magnesium Chloride Safe For Roofs

If you re not careful however magnesium chloride.

Is magnesium chloride safe for roofs.

Most common high performance ice melters such as magnesium chloride or calcium chloride will certainly melt the ice but they may also cause staining of the shingles and could also cause corrosion of the gutters aluminum siding or fasteners. Rock salt is sodium chloride cheap and poor. Calcium chloride is the most aggressive ice melter working down to well below zero and magnesium chloride is very good. Magnesium salts like magnesium chloride are better able to correct magnesium deficiencies because they can be dissolved in water.

Calcium chloride is the best salt to use on ice dams according to handyman glenn haege. It is not as likely to stain or cause corrosion as sodium chloride but it can damage wooden gutters. In our experience magnesium chloride is the safest and all around best easy to find ice melt you can use in an absolute emergency. Compared to less soluble forms of magnesium magnesium chloride is absorbed almost completely in the gut increasing its bioavailability in the bloodstream.

Although magnesium chloride still has risks associated it in my opinion it s the lesser of all evils.