Sikagard®-277 Enviroseal
Short Description
Formally: BASF MasterProtect H 177
Sikagard®-277 Enviroseal is a high-performance, water-based silane/siloxane sealer designed for vertical, above-grade masonry surfaces. This VOC-compliant, clear, breathable water repellent provides long-lasting moisture protection for brick, stucco, and aged limestone, preventing water intrusion, efflorescence, and atmospheric staining. Ideal for interior and exterior applications.
Sikagard®-277 Enviroseal is a high-performance, water-based silane/siloxane penetrating sealer engineered for long-term moisture protection of masonry surfaces. Designed for vertical, above-grade applications, it delivers superior water repellency while maintaining the natural appearance of brick, stucco, and aged limestone.
With advanced silane/siloxane technology, Sikagard®-277 Enviroseal provides deep penetration, creating a durable, breathable barrier that protects against rain, humidity, and environmental contaminants. It resists efflorescence and reduces atmospheric staining, extending the lifespan of buildings and facades.
Key Benefits of Sikagard®-277 Enviroseal:
- Water-based, VOC-compliant formula for environmentally responsible application
- Superior water repellency and moisture protection
- Prevents efflorescence, mildew, and atmospheric staining
- Transparent and non-staining—maintains the original surface appearance
- Breathable design allows moisture vapor to escape
- Easy application with a spray or brush
- Long-lasting performance on brick, stucco, and aged limestone
Common Applications:
- Exterior and interior masonry walls
- Brick and mortar waterproofing
- Stucco and aged limestone protection
- Historic building preservation
- Commercial and residential facades
💡 Available in 1-gallon (3.8 L) jugs, 5-gallon (19 L) pails, and 54-gallon (205 L) drums, with an 18-month shelf life when stored properly.
