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Silane/Siloxane Waterproofer #2115 - Water - Lucas
Silane/Siloxane Waterproofer #2115 - Water - Lucas
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Lucas 15% Silane/Siloxane Waterproofer #2115 - Water - Full Range

SKU: L-2115-5

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Lucas #2115 is a silane monomer / siloxane oligomer based waterproofing treatment intended for application to alkaline surfaces such as brick, mortar, concrete block, cultured stone, sandstone and concrete. #2115 is not intended for use on some types of non-silicate natural stone. Applications of #2115 will not change the appearance of masonry or concrete. #2115 is a higher performance version of our #2110 intended for horizontal surfaces.

Lucas #2115 is manufactured from a blend of silanes and siloxanes specifically suited for waterproofing applications. Silane’s small molecule size allows for effective penetration of higher density materials while siloxanes more effectively treat larger pores. Silanes react with moisture in an alkaline environment to form hydroxy groups that produce a hydrophobic water repellant surface. Siloxanes react with silica to produce hydrophobic crystalline structures. This product is supplied in a water vehicle.


Mechanically mix before using. Do not store above 90ºF. The surface must be clean but may be damp, although penetration will be lessened. Apply with a brush, long knap roller or an airless or garden type sprayer until the surface is fully saturated. Lucas #2115 will permanently fuse to glass surfaces and cannot be removed.

Clean up: Soap and water (wet coating).

Shelf Life: One year from the date of manufacture.

Avg. Penetration Concrete 2 mm
brand Lucas
color Clear
material type Silane/Siloxane
VOC < 50 g/l
Weight per Gallon 8.4 lbs

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Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.