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Water Repellents

Dirt layered on exposed masonry surfaces retains water – and that encourages deterioration. Freezing and thawing, acid rain, stains and chemical reactions break down masonry surfaces. Stop the disintegration with Diedrich water repellent products that also reduce bonding of airborne dirt and hydrocarbons. These products keep the building structure intact to protect your investment.




300-C Water-Based Siloxane Concentrate Water Repellent
300-C is a VOC compliant , penetrating, breathable, siloxane product for use on precast and site cast concrete, clay and concrete masonry, sandstone...
303-S Siloxseal Siloxane Water Repellent
303S is formulated to protect masonry, concrete, stucco and sandstone against moisture intrusion that causes efflorescence, leaching, mildew,...
303WB Water-Based Siloxane Water Repellent
303WB is a VOC compliant , penetrating, breathable, siloxane product for use on precast and site cast concrete, clay and concrete masonry, sandstone...

333 Omegaseal Water Repellent
333 Omegaseal Water Repellent is a split face block sealer with heavy duty solids and provides hydrophobic protection to masonry surfaces through the...
Salt-Bloc Chloride Barrier
Diedrich Salt-Bloc is an all-purpose, deeply penetrating siloxane water repellent and chloride barrier for concrete and pavers. Blocks the absorption...


Featured Products - Water Repellents





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