MasterProtect H 440VT is a clear, breathable, solvent-based, water-repellent sealer containing 40% silane
MasterProtect H 440VT requires no masking of windows necessary and no cleaning after use. It leaves no residue and will not harm glass windows, metal frames, or painted surfaces. It has 40% silane and provides excellent depth of penetration without altering the surface appearance.
- Breathability allows interior moisture to escape without damaging sealer
- Solvent based, excellent for cold weather purposes
- 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.