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HMK S731 Silane Impregnator
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At a Glance
Quick Decision Guide
Container Size
1 Liter
Coverage
30–110 sq. ft.
Sealer Type
Silane-Based Impregnator
Surface Appearance
Little to No Visual Change
Application
Interior & Exterior
Water Protection
Reduces Water Penetration
Breathable
Vapor Permeable
Frost Protection
Helps Reduce Frost Damage
Why Choose This Product
Key Benefits
Penetrating Protection
Reduces water and dirt penetration
Natural Appearance
Leaves little to no aesthetic change
Breathable Formula
Allows moisture vapor transmission
Broad Compatibility
Suitable for natural stone, artificial stone, concrete, and brick
Indoor & Outdoor Use
Designed for interior and exterior applications
Freeze Protection
Helps reduce the potential for frost damage
Product Information
Product Details
Specifications
Brand
HMK®
Part Number
S731-1
Product Type
Silane Impregnator
Container Size
1 Liter
Coverage
30–110 sq. ft.
Sealer Type
Ready-to-Use Silane-Based Impregnator
Surface Appearance
Little to No Aesthetic Change
Application
Interior & Exterior
Water Protection
Reduces Water Penetration
Dirt Protection
Reduces Dirt Penetration
Vapor Permeable
Yes
Frost Protection
Helps Reduce Potential Frost Damage
Suitable Materials
Absorbent Natural Stone, Artificial Stone, Concrete & Unglazed Brick
Ready to Use
Yes
About This Product
Water-Repellent Protection for Absorbent Surfaces
HMK® S731 Silane Impregnator is a ready-to-use penetrating treatment formulated to reduce the penetration of water and dirt into absorbent natural and artificial stone surfaces. The silane-based formula helps protect treated materials while maintaining their natural appearance with little to no aesthetic change.
Suitable for Natural Stone, Concrete, and Brick
The impregnator is designed for use on absorbent soft and hard natural stones, artificial stone, concrete, and unglazed brick. Its vapor-permeable formula allows moisture vapor transmission, making it suitable for applications where breathable protection is important.
Interior and Exterior Surface Protection
HMK® S731 can be used on both interior and exterior surfaces to help reduce water absorption, dirt penetration, and the potential for frost damage. The ready-to-use formula requires no mixing before application.
Common Questions
Frequently Asked Questions
What surfaces can HMK S731 be used on?
HMK® S731 is designed for absorbent natural stone, artificial stone, concrete, and unglazed brick.
Does HMK S731 change the appearance of stone?
The silane-based impregnator leaves little to no aesthetic change on the treated surface.
Can HMK S731 be used outdoors?
Yes. It is suitable for both interior and exterior applications.
Does HMK S731 allow the surface to breathe?
Yes. The impregnator is vapor permeable, allowing moisture vapor transmission through the treated surface.
What protection does HMK S731 provide?
It helps reduce water and dirt penetration while also helping reduce the potential for frost damage.
Does HMK S731 need to be mixed before use?
No. HMK® S731 is supplied ready to use.