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

1-800-243-6739

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 (155.00 Kb)

LEED Letter

pdf (94.79 Kb)

basf-masterprotect-h440hz-gs.zip

zip (54.67 Kb)