Ilva Unico Exterior water based HTMB06 series is a 3 in 1 isolator, sealer and top coat. 

To be used on both soft and hardwoods windows, doors, garden furniture, timber slatting, exterior timber articles. 

Popular Matt, Satin, and Gloss sheen levels available.

Available in the following colours  :

• Natural
• Light Walnut
• Maple
• Brown Mahogony
• Teak
• Walnut
• Ebony

Brand: Ilva Polimeri (IVM Chemicals) 

Coating Type 

• WB Clear 3 in 1 Exterior Impregnator, Sealer and Topcoat 

Recommended use for 

• Exterior Joinery  
• Exterior Furniture 

Product Codes & Options: 

• Unico: HTMB06_series
• Thinner: De-ironized Water 
• Unico gloss levels: HTMB066 10% HTMB06H 25% HTMB06B 80% 

  
  APPLICATION INSTRUCTIONS

• Surface Preparation:

  • Ensure timber is clean, dry, and free from dust, oil, and contaminants.

  • Sand evenly along the grain to a fine finish (P150–P220).

  • Remove sanding residue thoroughly before coating.

  • Timber moisture content should be between 8–14%.

  Mixing & Thinning:

  • Product is supplied ready for use.

  • If required, dilute with up to 5% clean water to adjust viscosity for local conditions or application method.

  • Stir well before and during use to maintain consistency.

  Application Methods:

  • Spray: Apply 80–100 g/m² per coat (approx. 3.1–3.9 wet mils).

  • Brush: Apply 60–80 g/m² per coat (approx. 2.3–3.1 wet mils).

  • Suitable for roller, spray, or brush application depending on project requirements.

  • Apply 2–3 coats for best exterior durability and protection.

  Drying Times (at 20°C / 65% RH):

  • Touch dry: 30–40 minutes

  • Sandable: 1.5–2 hours

  • Recoat: 2–3 hours

  • Full cure: 24–48 hours depending on conditions

  Recommended Film Build:

  • Wet film: Approx. 150 microns per coat (5.9 wet mils)

  • Dry film: Approx. 40–45 microns per coat

  Environmental Conditions:

  • Apply in a clean, dust-free area.

  • Ambient temperature: 15–30°C

  • Relative humidity: 50–70%

  • Avoid application in direct sunlight or on hot surfaces.

  Clean-Up:

  • Clean tools and equipment immediately after use with warm water.

  • Do not allow product to dry in spray guns or lines.

  Important Notes:

  • Always test on a sample board before full application.

  • Ensure each coat is fully dry before overcoating.

  • Avoid excessive film build; multiple light coats are preferable to one heavy coat.

  • For technical advice on system selection or exterior durability, contact your Superior Timber Coatings technical sales representative.