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Rain Guard Water Sealers Blok-Lok Ready to USE Sealer Covering Up to 750 Sq. Ft. on All Block Surfaces. 5 Gallon Clear Penetrating Silane and Siloxane Professional Grade.
Protect, restore and extend the life of your project with blok-lok clear finish silane siloxane coating for use on porous surfaces. Made from the best water repellent chemicals in the construction market, blok-lok is formulated by blending silanes and siloxanes that have long been trusted by architects, engineers and building owners around the globe. Blok-Lok contains a proprietary ingredient called Micro-Lok that ensures a long lasting mechanical bond and creates a hydrophobic barrier that is not affected by weathering, salt, dirt, freezing temperatures, UV light

Price is $102.00
Price: $101.99