What is the difference between sandblasted and brushed (No. 4) stainless steel?
Brushed No. 4 and hairline carry a directional grain and a semi-reflective sheen, so grain direction has to be controlled across every panel. Sandblasting produces a uniform matte texture with no direction, which hides fingerprints and reflects far less glare.
Brushed is for detail
Handrails, trim, door surrounds, lift interiors and interiors where the grain is a deliberate design line. It shows handling marks more readily and needs grain alignment at every joint.
Sandblasted is for area
Large facade fields, low-glare soffits and high-touch surfaces. Because there is no direction, panel-to-panel alignment stops being an acceptance criterion.
The installation consequence
With brushed panels, grain direction becomes a fabrication and installation instruction. With sandblasted panels it does not, which removes one of the most common site disputes.
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