MasterProtect H 177: High-performance, breathable, water-based, silane/siloxane water-repellent sealer

Formerly: Enviroseal Double 7 for Brick

How does MasterProtect H 177 work?

MasterProtect H 177 is a high-performance, water-based, VOC-compliant, clear silane/siloxane sealer designed for dense, vertical masonry surfaces like hard-burnt brick.

Recommended uses:

  • Vertical
  • Interior or exterior
  • Above grade

What are the unique features of MasterProtect H 177?

  • Water repellency extends life of building
  • VOC Compliant for EPA and most regional jurisdictions
  • Transparent and non-staining; does not alter surface appearance
  • Easy to apply

What are the benefits of MasterProtect H 177?

  • Treats brick and mortar providing long-lasting protection against moisture intrusion
  • Excellent water bead so the substrate maintains dry appearance during rainfall
  • Breathability allows interior moisture to escape without damaging sealer

On the Job Videos

How to Apply MasterProtect® H 177 sealer

How to Apply MasterProtect® H 177 sealer (Spanish)

How to Apply MasterProtect® H 177 sealer (French)

US / Canada Product Information

Data Guide

Data Guide (French)

Certification Letter

Guide Spec

LEED Letter

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Product Certifications

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

Related Literature

Certification Letter

pdf (76.51 Kb)

Data Guide

pdf (336.83 Kb)

Data Guide (French)

pdf (313.46 Kb)

Guide Spec

doc (179.00 Kb)

LEED Letter

pdf (110.62 Kb)

zip (54.88 Kb)