What would be happen if you use magnesium chloride board with steel frame or galvanized frame?

/What would be happen if you use magnesium chloride board with steel frame or galvanized frame?

What would be happen if you use magnesium chloride board with steel frame or galvanized frame?

4 disavantages

1-screws and frame affect by chloride ions and get rust when moisture is high.

2-panel damp and cry in rainy days,wet and dray cause plaster crack

3-panel get powery on the surface after frequent wet and dry.

4-panel has risk of cracking at the joint after few months.

2019-01-18T22:57:39+00:00