Magnesium Chloride On Roof

Salt will leave a white residue and is very corrosive to unprotected.

Magnesium chloride on roof.

Bare ground gel melt magnesium chloride gel is designed for alleviating issues of ice dam blockages. Calcium chloride is the best salt to use on ice dams according to handyman glenn haege. Many ice melt products contain a mix of other types of salt. Rock salt is sodium chloride cheap and poor.

It is not as likely to stain or cause corrosion as sodium chloride but it can damage wooden gutters. Organic salts like magnesium chloride are slightly more effective than inorganic salts. 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. If you use it make sure it s pure magnesium chloride.

According to a 2017 review in current nutrition and food science magnesium chloride and other magnesium salts like magnesium aspartate gluconate citrate and lactate have a bioavailability of between 50 and 67. The petco stuff is most likely urea kinda ok but the other mix will work better. It melts ice faster than sodium chloride does works at lower temperatures than sodium chloride and also melts larger volumes of ice. Is your roof asphalt shingles.

Calcium chloride is the most aggressive ice melter working down to well below zero and magnesium chloride is very good.