Sika Thorocoat®-300 Arctic
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.
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.