Micro-Seal® HD Silane / Siloxane Water Repellent

Brand: Micro-Seal


What It Is: A heavy duty sealer that provides invisible moisture, gasoline, and chemical resistance
Surface Types: Concrete, Wood, Masonry, Paver (see TDS for full list)
Formulation: A High Solids Silane/Siloxane Blend
Coverage Rate: Approx. 50-410 sq. ft. / gallon (See TDS for details)

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Micro-Seal® HD Silane/Siloxane Water Repellent

is a solvent-free, 100% active solid, silane/ siloxane repellent for horizontal and vertical porous surfaces. Double the solids of the original Micro-Seal®, the coating dries down to a non-yellowing natural finish. It protects against water intrusion, efflorescence, lime, spalling, freeze/thaw cycle damage, gas stains, oil stains, mold, mildew, and UV damage. Micro-Seal® HD is eligible for a material warranty of up to 20 years.

Protects Surfaces from Damage Caused by Moisture

Protect your project from water intrusion, preventing efflorescence, lime, spalling, freeze/thaw damage, stains, mold, and mildew.

Natural Finish

Preserve the look of the project with 100% breathable and invisible protection that will not yellow over time.

Safe to Use

Contains 0 g/L V.O.C.’s, no carcinogens, very low odor and can be applied on interior and exterior surfaces.

Easy to Apply

Spray on easily in a flood coat using an airless sprayer.

What is Micro-Lok™?

Micro-Seal® is formulated with a proprietary ingredient called Micro-Lok™. It creates a micro-molecular chemical and mechanical bond between the water repellent chemicals and the substrate.

Why choose a concentrate?

The Benefits of Specifying Concentrates:

  • Reduces carbon footprint
  • Reduces job site and landfill waste
  • Reduces worker and supply chain fatigue

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