POLYCURE NATUROIL 3120 Tung Oil Sealer is a premium single-pack, clear oil-based floor coating designed for interior use on timber, parquetry, particleboard, cork flooring, and sports flooring systems. It enhances and protects the natural appearance of timber while delivering a durable, low-sheen finish with excellent flow and levelling.
Its oil-based formulation helps reduce the risk of edge bonding on tongue-and-groove floors, making it suitable for applications where timber movement or stability may be a concern. NATUROIL 3120 provides a natural, non-plastic appearance with strong durability and long-lasting performance.
Features & Benefits:
- Reduces risk of edge bonding (glueing) on tongue-and-groove flooring
- Extremely durable oil-based protection
- Low sheen finish for a natural appearance
- Excellent flow and levelling for a smooth finish
- Enhances natural timber colour without a plastic look
- Suitable for demanding interior flooring applications
Suitable For:
- Interior timber flooring
- Parquetry flooring
- Particleboard flooring
- Cork flooring
- Sports flooring systems
Technical Information:
- Build: Low
- Sandability: Very Good
- Levelling & Flow: Excellent
-
Coverage:
- Timber (base coat): 10–12 m²/L
- Cork & particleboard: 10–12 m²/L
-
Subsequent coats: 10–12 m²/L
(Coverage depends on substrate porosity)
-
Drying Time:
- Recoat: 16 hours
- Hard dry: Overnight
- Full cure: 5–7 days
- Clean Up: Mineral turpentine
- Packaging: 10 Litres
Surface Preparation:
- Fill nail holes with a suitable water-based timber putty and allow to dry.
- Sand uncoated floors using 120–150 grit sandpaper or screenback pad until uniformly dull and smooth.
- Vacuum thoroughly to remove all dust and debris.
- Ensure surface is clean and free from scratches or contamination before coating.
Mixing:
Stir thoroughly before use.
Application Tools:
- 6mm mohair roller
- High-quality brush for cutting in
Application Instructions:
- Apply a liberal first coat of NATUROIL 3120 or FASTASEAL 3030 using a 6mm mohair roller and brush.
- If FASTASEAL is used, allow approximately 45 minutes drying time before sanding. For other coatings, allow a minimum of 16 hours.
- Sand thoroughly using 150–180 grit screenback to remove nibs and raised grain. Vacuum all dust.
- Apply a second coat of NATUROIL 3120 and allow to dry for at least 16 hours.
- Sand again using 150–180 grit screenback, clean thoroughly, and remove all dust.
- Apply the final coat of NATUROIL 3120 Tung Oil Sealer for a durable, low-sheen finish.
Experience the convenience of swift order fulfillment with our top-notch Shipping services.


