Dry interiors, outdoor, chemical-humid and marine sites do not share one primer system. The official product FAQ also discusses primer differences by building type: corrosion, adhesion and the following coats.

Farm wash-down, coastal or wet shops should be stated. Without that, a reply assumes a dry interior.

No single brand or dry-film thickness is set as the only standard. Surface preparation and coat count follow the schedule. Touch-up is a common handover item.

State exposure and whether steel is outdoors. Mark exposed steel if colour difference matters.

Tiankai Southeast fabricates marked members from approved drawings and supports erection by mark number. Sizes, loads and delivery follow the confirmed design file and contract; this page does not turn uncalculated tonnage, thickness or time into a promise.