Actichem Defender Water Based Sealer

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Actichem Defender Water Based Penetrating sealer for use on concrete, brick masonry, concrete masonry and natural stone. It provides premium protection for up to 15 years.

It’s extremely small molecular structure enables it to rapidly penetrate into the fine pores of engineered concrete, natural stone, masonry and cementicous materials. It provides long lasting, high performance protection against water and oil based contaminants, efflorescence and spalling.

The unique silane treatment penetrates deep into the substrate and chemically bonds with minerals to form a permanently fixed, water repellent molecule.

Available in 5 and 15 liters.



Defender WB is suited for use on both vertical and horizontal concrete, masonry and stone surfaces to repel water and oil based contaminants from penetrating into the substrate. For use on engineered, reinforced concrete to protect against corrosion due to water, de-icing salts and salt water. Highly resistant to acid rain. 

The protective treatment applied is extremely durable and will survive high pressure washing, commercial cleaning practices and the elements. However application methods, weather conditions, traffic and harsh cleaning methods will ultimately affect the sealer longevity. For extended sealer life avoid use of solvents, strong acids and strong alkalis. Cleaning with Actichem Proneutro is advised.

It is recommended that the sealer be re-applied every 5 to 8 years where harsh conditions exist.

Colour Light tan
pH: N/A
Fragrance: None
Dilution: Ready to use
Safety profile: Non-hazardous
Pack sizes: 5Lt & 15Lt