Interior & Exterior specialized primer for old walls TOA 4 Seasons Super Contact Sealer

TOA 4 Seasons Super Contact Sealer is made from high quality Acrylic resin. Product provides excellent adhesion since dissolving of resin's particle into solvent makes it penetrate deeply inside surfaces then helps improve robust and alkaline resistance ability. Hence, TOA 4 Seasons Super Contact Sealer is mainly recommended for applying on old, chalking or poor adhesion walls.

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Intended use:

TOA 4 Seasons Super Contact Sealer is used as specialized primer to enhance adhesion and alkaline resistance for old, chalking or poor adhesion walls, cement surfaces, concretes. Product is suitable for both interior and exterior.

Technical Data

  • Component: Binder (25% - 35%), Solvent (65% - 75%)
  • Touch dry: 10 - 20 mins
  • Painting interval: after 60 mins
  • Theoretical coverage: 9 - 11 m²/ litre/ coat

Construction methods

  • Application tools: Brush, roller, spray gun
  • Dilution: Not recommended, clean equipment with water immediately after using.

Construction Guide

Step 1 - Surface preparation:
- Clean surfaces (metal brush is not recommended), make it free from dust and old paint layer.
- Treat fungus and algae by appropriate chemical.
- Surface must be clean and completely dry, humidity should not exceed 16% (measured by Protimeter).
- Fix deep dent by appropriate cement and putty/ mastic.
Step 2 - Primer: 
- Apply 1 coat of TOA 4 Seasons Super Contact Sealer.
- Then apply 1 more coat of TOA's emulsion primer.
Step 3 - Topcoat: Apply 2 coats of TOA's interior or exterior emulsion paint.
* Note: Stir well before use and once opened, entire content should be used. Do not apply when the air temperature is under 15oC, the relative humidity is higher than 80%.

Recommended paint system

Putty: 2 coats of TOA Wall Mastic interior or exterior


Primer: 1 coat of TOA 4 Seasons Super Contact Sealer. Apply 1 more coat of TOA's emulsion primer


Topcoat: 2 coats of TOA's interior or exterior emulsion paint

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