NITOCOTE SN522 (20L)-Nitocote SN522 is a single component, penetrating silane-siloxane which penetrates into porous substrates and then reacts to produce a bonded water repellent lining.Although allowing water vapour to escape from the substrate, it significantly reduces the absorption of water and water-borne salts.Reduces water and chloride intrusion.Minimises efflorescence. Available in 20lit and 200lit drums.
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