MasterProtect H 200: Clear, water-based 20% silane penetrating sealer

Formerly: Enviroseal 20

How does MasterProtect H 200 work?

MasterProtect H 200 is a clear, water-based 20% alkylalkoxysilane penetrating sealer. It protects against moisture and chloride intrusion.

Recommended uses:

  • Horizontal and vertical
  • Exterior or interior
  • Above grade

What are the unique features of MasterProtect H 200?

  • Water-based, VOC compliant
  • USDA compliant (non-food contact areas)
  • Transparent, non-staining
  • Breathable
  • One component
  • Water-repellent

What are the benefits of MasterProtect H 200?

  • Use in food manufacturing and service structures
  • Does not alter surface appearance
  • Allows interior moisture to escape without damaging sealer
  • Easy to apply; saves labor
  • Protects against damage from moisture intrusion and chloride ion penetration

US / Canada Product Information

Data Guide

Data Guide (French)

Data Guide (Spanish)

Certification Letter

LEED Letter

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

Product Certifications

Generate a free certificate of conformance for a specific BASF construction product.

Related Literature

Certification Letter

pdf (77.25 Kb)

Data Guide

pdf (495.06 Kb)

Data Guide (French)

pdf (325.33 Kb)

Data Guide (Spanish)

pdf (122.01 Kb)

LEED Letter

pdf (110.30 Kb)

LEED v4 Letter

pdf (70.01 Kb)