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

Formerly: Hydrozo Clear 40 VOC

How does MasterProtect H 440VT work?

MasterProtect H 440VT is a clear, breathable, solvent-based, water-repellent sealer containing 40% silane.

Recommended uses:

  • Vertical
  • Exterior
  • Above grade

What are the unique features of MasterProtect H 440VT?

  • No masking of windows necessary and requires no cleaning after application
  • No residue, will not harm glass windows, metal frames, or painted surfaces
  • 40% silane
  • Excellent depth of penetration
  • Does not alter surface appearance

What are the benefits of MasterProtect H 440VT?

  • Breathability allows interior moisture to escape without damaging sealer
  • Solvent based, excellent for cold weather applications
  • Water repellent so it helps to protect the structure from wind-driven rain and chloride intrusion
  • Surface sealer helps reduce efflorescence, atmospheric staining, and mildew

US / Canada Product Information

Data Guide

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

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Related Literature

Certification Letter

pdf (76.42 Kb)

Data Guide

pdf (299.59 Kb)

LEED Letter

pdf (94.72 Kb)

MasterProtect H 440VT SDS

pdf (216.65 Kb)