Koster KD 3 Sealer is a low viscosity liquid silicate concrete sealer.
Koster KD 3 Sealer’s active ingredients penetrate deep into the substrate reacting to form an insoluble compound.
Koster KD 3 can be used stand alone or as part of the Koster KD System (KD 1 Base, KD 2 Blitz and KD 3 Sealer).
Koster KD 3 offers a permanent waterproof seal by plugging pores through a crystallization process on masonry and concrete.
This unique sealer is waterproof up to 7 bar (negative side) pressurized water.
For outstanding performance, the substrate must be solid and sound and free of loose particles, paints and oil.
Not suitable for substrates consisting of, Plaster containing lime, paint coatings and materials containing gypsum.
Always wear protective clothing, gloves and safety goggles during the processing and application of Koster KD 3 Sealer.
Clean tools with water instantly after used.