Supplied in 3000mm lengths, extruded from architectural grade aluminium alloy to BS 1474. Pre-punched with diagonal fixing slots and holes in the plastering fin suitable for fixing by drywall screws. The standard finishes are either white polyester powder coating to RAL 9010, 20% Gloss, or unpainted for onsite painting/spraying. QIC cannot accept any responsibility for the painted finish of products supplied unpainted. Non-standard lengths, factory curving and alternative factory applied finishes are available to special order.