Kmiainfo: Professional Step by step used paint work in Houses & Building

Below is a BEST PRACTICE STEP-BY-STEP PAINT SYSTEM used by professionals for houses & buildings, covering interior and exterior. This ensures long life, good finish, and protection 🏠🎨

🏠 INTERIOR PAINT SYSTEM (Walls & Ceilings) ::---

✅ Step 1: Surface Preparation

Remove dust, grease, old flakes

Repair cracks with crack filler

Sand surface for smoothness

✅ Step 2: Wall Putty (1–2 Coats)

Use white cement-based putty

Levels wall & hides imperfections

Sand lightly after drying

✅ Step 3: Primer (1 Coat)

Improves paint adhesion

Reduces paint consumption

Essential for new walls

✅ Step 4: Interior Paint (2 Coats)

Options: Matte / Satin / Silk Emulsion

Apply with roller for uniform finish

Allow proper drying time between coats

✅ Step 5: Final Touch-Up

Check for shade variation

Fix roller marks or missed spots

🏢 EXTERIOR PAINT SYSTEM (Outer Walls) ::---

✅ Step 1: Surface Cleaning

Pressure wash or wire brush

Remove algae, fungus, loose paint

✅ Step 2: Crack Filling & Repairs

Use exterior crack filler / elastomeric filler

Important for waterproofing

✅ Step 3: Exterior Primer (1 Coat)

Seals surface

Protects against moisture & salts

✅ Step 4: Exterior Paint (2 Coats)

Use weatherproof or elastomeric paint

Apply by roller or spray

Protects from sun, rain & pollution

✅ Step 5: Optional Protective Coat

Clear waterproof or UV-resistant coating

Increases life (especially coastal/rainy areas)

🚪 METAL, WOOD & SPECIAL SURFACES ::---

🔩 Metal (Gates, Railings)

1. Rust removal & sanding

2. Anti-rust primer – 1 coat

3. Enamel / PU paint – 2 coats

🪵 Wood (Doors, Windows)

1. Sanding & cleaning

2. Wood primer – 1 coat

3. Putty & sanding

4. Enamel / PU / Polish – 2 coats

🧱 ROOF / TERRACE WATERPROOF SYSTEM ::---

1. Surface cleaning

2. Crack sealing

3. Waterproof primer

4. Elastomeric waterproof coating – 2–3 coats

📋 QUICK SYSTEM SUMMARY ::---

Area Paint System :--

1. Interior wall Putty → Primer → 2 coats emulsion

2. Exterior wall Crack fill → Primer → 2 coats weatherproof

3. Metal Anti-rust primer → Enamel

4. Wood Primer → Putty → Enamel/PU

5. Roof Waterproof primer → Elastomeric coating

⭐ PRO TIPS :---

1. Never skip primer

2. Allow proper drying time

3. Use quality rollers & brushes

4. Paint exterior in dry weather

5. Dark colors fade faster outdoors.