SS Quality Guide
SS Quality Guide

STAINLESS STEEL LETTER QUALITY GUIDE — GRADE 201 VS 304 VS 316

Not all vinyl signs are the same. The film grade, ink system, and laminate you choose determines whether your sign looks sharp for 3 years or 10 — and whether it peels, fades, or stays perfect through Australian sun and rain.

Premium vinyl shopfront sign installed on glass vibrant clean edges Perth - Neon Brothers
ESSENTIAL
ESSENTIAL

ESSENTIAL — INDOOR-ONLY SS LETTERS

Who it is for:

Entry-level businesses, pop-up retail, temporary promotions, short-term campaigns.

The sign uses standard cast vinyl with solvent ink and no laminate. It goes on clean, looks great on day one, and does its job. Colours are CMYK matched. The outdoor lifespan is typically 3 to 4 years before fade starts, depending on sun, heat, and coastal humidity.

Spec at a glance
Grade 201 · 1.0mm · Spray painted · Open letter · Tape · Indoor only
Essential tier vinyl sign example - Neon Brothers
PREMIUM
PREMIUM

PREMIUM — OUTDOOR COMMERCIAL-GRADE SS LETTERS

Who it is for:

Established cafes, retail stores, offices, and businesses that repaint or refit every 5-7 years.

Premium uses long-term cast vinyl with eco-solvent ink and a gloss over-laminate. The laminate adds UV protection and keeps the surface wipe-clean. Colours are Pantone-referenced so they match your brand guidelines. Wet application means cleaner install with no bubbles.

Spec at a glance
Grade 304 · 1.2mm · Full seam weld · Brushed #4 or powder coat · PVC fill · SS304 stud
Premium tier vinyl sign example - Neon Brothers
ELITE
ELITE

ELITE — COASTAL & MARINE-GRADE SS LETTERS

Who it is for:

Flagship stores, franchise rollouts, high-end retail, anywhere brand consistency is non-negotiable.

Elite uses premium cast vinyl with UV-cured ink, the same technology used in automotive and architectural graphics. A UV-blocking matte laminate sits on top, cutting UV degradation dramatically. Colours are spectrophotometer-verified to exact Pantone values.

Spec at a glance
Grade 316 · 1.5mm · TIG weld + CNC ground · Electroplated or mirror · Al plate · SS316 studs
Elite tier vinyl sign example - Neon Brothers
Side by Side
Side by Side

GRADE 201 VS 304 VS 316

Spec Essential Premium ★ Elite
Steel Grade 201 — indoor only 304 — outdoor standard 316 — coastal / marine
Shell Thickness 1.0mm 1.2mm 1.5mm
Weld Type Spot weld Full seam weld + ground TIG weld + CNC ground
Finish Spray painted Brushed SS #4 / powder coat Electroplated / mirror
Mounting Double-sided tape SS304 stud + template SS316 concealed + alu plate
Warranty 1 year 2-year NBCare™ 2-year NBCare™
Three vinyl signs comparison showing quality differences over time - Neon Brothers
FAQ

STAINLESS STEEL LETTERS — FREQUENTLY ASKED QUESTIONS

Grade 201 vs 304 vs 316?+

201 = indoor only, rusts outdoors. 304 = standard outdoor, not coastal. 316 = marine grade with molybdenum for chloride resistance.

Will SS letters rust in Perth?+

201 rusts in 18 months outdoors. 304 works inland but corrodes near coast in 3–5 years. 316 is the only grade for Perth coastal suburbs.

What is TIG welding?+

What is TIG welding?

What finishes are available?+

Essential: spray painted. Premium: brushed SS #4 or powder coat. Elite: electroplated gold/rose/titanium or mirror polish.

How are SS letters mounted?+

Essential: foam tape. Premium: SS304 stud + template. Elite: SS316 concealed stud + aluminium backing plate + precision template.

Which grade for a beachside shopfront?+

Grade 316 — no exceptions. Any shopfront within 5km of coast needs 316 to resist salt air corrosion.

Do you ship signs Australia-wide?+

Yes. All signs are custom made and shipped tracked to any address in Australia — Perth, Sydney, Melbourne, Brisbane, Adelaide, and regional areas. Signs are packed flat with protective backing to prevent damage during transit.

How long do SS letters last?+

201 indoor: 10+ yrs. 304 outdoor inland: 10–15 yrs. 304 coastal: 3–5 yrs. 316 coastal: 10–20+ years.

BROTHERS

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