X4 is a clear penetrating sealer designed to weather and moisture proof natural stone, split faced/fluted block, stucco, mortar, cinder block, stucco, EIFS, tile, pour-in-place concrete, pavers, brick, grout and masonry against the destructive forces of the environment. It is breathable while resisting wind driven moisture, dust, dirt, graffiti, salt, acid rain, efflorescence, alkalis, freeze-thaw damage and spalling. Shelf life: 24 months Durability: 5 - 15 years Coverage: 80 to 200 ft2 per gallon

  • Reduces capillary action of moisture by 97%
  • Adheres to paints (not paintable)
  • Increases life span of surfaces/materials
  • Acts as a barrier to moisture on structural concrete
  • Water-based and non-flammable
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X4 (Ready-to-use) is a clear, water repellant sealant for cement and concrete based facades/claddings, surfaces, structural and building materials. It prevents freeze/thaw expansion, moisture absorption, deterioration and damage.


  • Reduces capillary action of moisture by 97%
  • Allows surfaces/materials to “breathe”
  • Adheres to paints (not paintable)
  • Provides rapid water repellency
  • Excellent depth penetration
  • Increases life span of surfaces/materials
  • Acts as a barrier to moisture on structural concrete
  • Water-based and non-flammable


X4 is an excellent water repellent for many absorbent mineral substrates, such as bricks, sand-lime brick, natural sandstone and mineral plasters. It is not suitable for less absorbent, dense natural stone, especially limestone, marble and reinforced concrete for bridges and roads. Owing to its aqueous consistency and storage stability, X4 is ideal for in-plant impregnation of building materials made of clay, aerated concrete, sand-lime brick, fibrous cement, mineral fibers and lightweight aggregate. X4 may also serve as a water repellent primer for emulsion paints and plasters, silicone resin emulsion paints and silicone resin plasters.


Consult SDS for details

Coverage Rate

Each gallon is expected to cover an average of 175-250 ft2 per coat of X4. Coverage may vary due to surface texture, porosity, age and application method. This does not include loss from over-spray or over-use.

Shelf Life & Storage

24 months

Additional information

Weight N/A
Dimensions N/A

1 Gallon, 4x1 Gallon Case, 5 Gallon Pail


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