
Choosing Spray Paint for Metal Letter Signs
Unthika Roekwibunsi
The Ultimate Guide to Choosing Paint for Metal Letter Signs | Octopus Media
🏆 The Ultimate Guide to Choosing Paint for Metal Letter Signs 🎨
Octopus Media Solutions is an expert in manufacturing and installing metal letter signs, illuminated signs, and comprehensive advertising media.
One of the key factors that make a sign beautiful and long-lasting is "choosing the right paint", which directly impacts appearance, durability, and weather resistance.
🔹 Industrial Paint


✅ Best for: Indoor signs or signs that are not exposed to direct sunlight or rain
🛠 Common users: Retail stores, offices, hotels, convention centers
🔹 Base type: Alkyd Base or Acrylic Enamel
🔹 Popular brands: TOA, Jotun, EAC, Nippon Paint
🛠 Common users: Retail stores, offices, hotels, convention centers
🔹 Base type: Alkyd Base or Acrylic Enamel
🔹 Popular brands: TOA, Jotun, EAC, Nippon Paint
🔥 Pros
- ✔ Affordable ✅ The most cost-effective option
- ✔ Fast drying ✅ Reduces production time
- ✔ Wide color selection ✅ Customizable to match branding needs
⚠️ Cons
- ❌ Not weather-resistant - Fades quickly if used outdoors
- ❌ Rigid and brittle - Less flexible and prone to cracking when impacted
💡 Recommended by Octopus Media
Ideal for logo signs or decorative signs for indoor use, such as signs for hotels, restaurants, or showrooms.
🔹 2K Paint (Two-Component Paint)


✅ Best for: Outdoor signs that require high durability against sun and rain
🛠 Common users: Shopping malls, large retail stores, real estate project signs
🔹 Base type: Polyurethane Base (PU 2K)
🔹 Popular brands: EAC, Parrot Brand, Dupont, PPG
🛠 Common users: Shopping malls, large retail stores, real estate project signs
🔹 Base type: Polyurethane Base (PU 2K)
🔹 Popular brands: EAC, Parrot Brand, Dupont, PPG
🔥 Pros
- ✔ Weather-resistant ✅ 2K paint contains UV protection, preventing color fading
- ✔ Glossy and smooth finish ✅ Available in both Glossy and Matte finishes
- ✔ Highly flexible ✅ Reduces cracking
⚠️ Cons
- ❌ More expensive than industrial paint
- ❌ Longer drying time - Requires additional curing time
- ❌ Requires skilled application - Must be applied using a professional process
💡 Recommended by Octopus Media
Perfect for storefront signs, metal letter signs, and premium project signs that require aesthetic appeal and long-term durability.
📊 Comparison Table of Different Paint Types
Paint Type | Base | Durability | Gloss Level | Best For | Cost |
---|---|---|---|---|---|
Industrial Paint | Acrylic / Alkyd | ⭐⭐ | ⭐⭐ | Indoor signs, budget-friendly projects | Low |
2K Paint | Polyurethane | ⭐⭐⭐ | ⭐⭐⭐⭐ | Outdoor signs, premium projects | High |
Powder Coating | Epoxy / Polyester | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Highly durable projects, industrial signage | Highest |
💡 How to Choose the Right Paint for Your Sign
- 1️⃣ For budget-friendly indoor signs → Choose Industrial Paint
- 2️⃣ For high-gloss and durable outdoor signs → Choose 2K Paint
- 3️⃣ For maximum durability and long-term use → Choose Powder Coating