Sikagard®-277 Enviroseal

Manufacturer: Sika
Product Type: Sealers

Short Description

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.

Quantity Needed

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.