Question 1

Can we use structural tubes instead of scaffold tube?

Accepted Answer

Only if the scaffold engineer approves the substitution with tested coupler compatibility.

Question 2

What if couplers slip during assembly?

Accepted Answer

Stop work, investigate OD variance, damage, or wrong coupler type — do not over-torque blindly.

Question 3

Should scaffold tube be galvanized?

Accepted Answer

If the system specification calls for it; otherwise follow the manual.