MasterProtect H 440HZ: Clear, breathable, solvent-based, silane penetrating water-repellent sealer

Formerly: Hydrozo Silane 40 VOC

How does MasterProtect H 440HZ work?

MasterProtect H 440HZ is a breathable, solvent-based, water repellent sealer containing 40% alkylalkoxysilane.

Recommended uses:

  • Horizontal
  • Exterior
  • Above grade
  • Parking decks
  • Bridges
  • Stadiums

What are the unique features of MasterProtect H 440HZ?

  • 40% silane
  • Excellent depth of penetration
  • Does not alter surface appearance
  • Surface sealer helps reduce efflorescence, atmospheric staining, and mildew

What are the benefits of MasterProtect H 440HZ?

  • Water repellent which helps to protect from damage caused by chloride intrusion, extends life of structures
  • Solvent-based, excellent for cold-weather applications
  • Breathability allows interior moisture to escape without damaging sealer

US / Canada Product Information

Data Guide

Certification Letter

Guide Spec

LEED Letter

Safety Data Sheets

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 (77.30 Kb)

Data Guide

pdf (297.81 Kb)

Guide Spec

doc (168.50 Kb)

LEED Letter

pdf (94.79 Kb)

MasterProtect H 440HZ SDS

pdf (258.21 Kb)

MasterProtect H 440HZ SDS

pdf (275.54 Kb)

zip (54.67 Kb)