Sika Thorocoat®-300 Arctic

Manufacturer: Sika
Product Type: Wall Coatings

Short Description

Sika Thorocoat®-300 Arctic is a high-build, waterborne acrylic waterproof coating designed for above-grade concrete, stucco, block, and brick surfaces. This breathable, durable, and weather-resistant coating offers superior adhesion, wind-driven rain resistance, and primerless application, making it ideal for cold and damp conditions. Available in smooth and fine sand textures.

Quantity Needed

Sika Thorocoat®-300 Arctic is a high-performance, waterborne acrylic waterproof coating specifically designed to protect above-grade masonry and concrete surfaces. Formulated for cold and damp weather applications, it delivers superior adhesion to smooth, chalky, and porous substrates, while providing exceptional resistance to wind-driven rain, water penetration, and freeze/thaw conditions.

This high-build, breathable coating allows moisture vapor transmission, preventing moisture entrapment and maintaining long-term substrate integrity. Available in smooth and fine sand textures, Sika Thorocoat®-300 Arctic provides aesthetic versatility while ensuring superior waterproofing and durability.

Key Benefits of Sika Thorocoat®-300 Arctic:

  • Designed for cold and damp conditions—ideal for low-temperature applications
  • High-build acrylic formula for excellent waterproofing and weather resistance
  • Primerless adhesion—saves time and cost
  • Breathable coating to prevent moisture entrapment
  • Superior resistance to wind-driven rain—tested up to 98 mph (TT-C-555B)
  • Adheres to concrete, masonry, stucco, and existing coatings
  • Available in smooth and fine sand textures for aesthetic flexibility
  • Long-lasting protection against freeze/thaw cycles and environmental exposure

Common Applications:

  • Building facades and exterior walls
  • Stucco, masonry, and concrete waterproofing
  • Above-grade vertical surfaces
  • Commercial and residential construction
  • Cold-weather projects requiring rapid application

💡 Available in 5-gallon (18.9 L) pails, with an 18-month shelf life when stored properly.