Blok-Lok (1 Gal)

Blok-Lok™ Siloxane Water Repellent

is a water-based, siloxane repellent composed of high quality chemicals. The blend creates a clear, deep penetrating, non-film forming, and chemically reactive masonry water repellent that contains no silicone oils, paraffin wax, or urethanes. Blok-Lok™ is eligible for a material warranty of up to 5 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

Apply anywhere in North America because it contains 20 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 and .


What is Micro-Lok™?

Blok-Lok™ 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

What Else You Need to Know

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