Corrosion from salt
It's a well-known fact that salt is corrosive to metal. Many homeowners need to access their deck in winter and the question is asked "is ice melt or salt safe for my deck?" Little thought is given to the fasteners that hold your deck together and securely to the structure.
Look around at some metal railings, steel doors, loading docks, cracks in concrete where the steel rebar has been exposed. The corrosion and damage from salt will be quite evident. This same corrosion is inevitable on the fasteners and hardware on the deck. It might take a while, but the salt can eventually take it's toll and the fasteners fail, creating a potentially dangerous shift in alignment or collapse.
Do your homework!
Just because a manufacturer has labeled their product safe, is it? Unfortunately there is no "truth in ice melt police" so you need to educate yourself a bit. Here is a basic rule;
ANYTHING with chlorides in the ingredients is corrosive, period. The minor exception is a mixture of salt and at least 20% Calcium Magnesium Acetate has been proven to be minimally corrosive. Our Wood Deck Deicer is 100% Calcium Magnesium Acetate which is totally harmless to wood, metal, composites, vegetation, marine life, pets and more.
Unfortunately, it is a bit more expensive, but is quite effective. There is an ongoing residual effect and it does build up after several applications, so less and less can be used unless it gets really diluted from frequent wet snows or rain.
It does not work as well when it gets extremely cold, but it will remove ice and snow if you give it a little extra time in colder temperatures. Also, it does not create a flowing brine, rather it stays put, so you have to spread it evenly and perhaps sweep it around a bit.
We would like to tell you the truth, it is not a super-fast acting product, nor does it work incredible magic. Calcium Magnesium Acetate IS SAFE and is a great option to protect your investment, guests and pets. View products