HOW CORROSIVE IS SEAWATER TO CEMENT COATINGS?
HOW CORROSIVE IS SEAWATER TO CEMENT COATINGS?
(OP)
WE INSTALL POOL PLASTER MOSTLY IN REGULAR SWIMMING POOLS. A CUSTOMER OF OURS IS BUILDING A SALTWATER SWIM POOL THAT WILL BE FILLED WITH OCEAN WATER LOCATED IN MIAMI, FL. WE ARE AWARE OF AND PLAN TO USE A SILICA-FUME TYPE POZZOLON ADDITIVE THAT WILL DENSIFY OUR MATERIAL AND MAKE IT LESS SUSCEPTABLE TO SALT ATTACK. DOES ANYONE HAVE DATA ON THE CORROSIVE RATE OF SALTWATER ON CEMENT? ANY INSIGHTS WOULD BE GREATLY APPRECIATED!
THANK YOU,
JASON
THANK YOU,
JASON





RE: HOW CORROSIVE IS SEAWATER TO CEMENT COATINGS?
I'm NOT an expert in this area, but from my limited knowledge of concrete I believe the main problem isn't "corrosion of the concrete", but corrosion of any rebar, where the corrosion byproducts are more voluminous than the steel causing stress and eventually cracking of the concrete.
RE: HOW CORROSIVE IS SEAWATER TO CEMENT COATINGS?
RE: HOW CORROSIVE IS SEAWATER TO CEMENT COATINGS?
Perform a Google search on the topic of chemical (chloride and sulphate) attack of Portland cement. There are plenty of hits to evaluate.