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Product Description:
Silox-Seal is a silane/siloxane water-based high performance penetrative masonry water repellent. The product is free of solvent and hazardous ingredients. Silox-Seal (Silane/Siloxane) forms a hydrophobic barrier beneath the surface and seals out moisture while remaining highly vapor permeable. It will chemically bond with the substrate. The visual appearance of the treated surfaces will show nominal or no change resulting from product application. The benefits include enhanced resistance to efflorescence, freeze thaw damage, cracking and spalling. Cured system is resistant to ultraviolet light and may be used as a sealer for surface coatings. Performance exceeds the requirements of NCHRP 244 and federal specification SSW 110C when applied as directed. Silox-Seal (Silane/Siloxane) is used to protect and maintain bridges, parking garages, airport pavements, industrial plants and other concrete structures.

An effective alternative to conventional solvent-based silanes or siloxanes, Silox-Seal (Silane/Siloxane) penetrates and chemically bonds deep within the masonry substrate to provide long-lasting protection against water related staining or deterioration. Will not darken most color-sensitive surfaces. Will not produce a surface film or impair the natural breathing characteristics of treated surfaces.

Advantages of Silox-Seal (Silane/siloxane)

Penetrates deeply to produce long-lasting protection on vertical or horizontal surfaces.
Water based formula minimizes explosion and fire hazards associated with alcohol or solvent-based water repellents on interior app.
Easy soap-and-water cleanup from window glass, window frames and application equipment.
Low odor reduces risk of application to occupied buildings.
Alkaline stable — suitable for new "green" concrete.
Ideal for field or in-plant treatment of concrete or GFRC Limitations.
Will not prevent water penetration through structural cracks, defects or open joints.
Limited initial surface repellency.
When applied to pH neutral surfaces, optimal performance may take up to 14 days to develop.

Surfaces
New and old cementatious materials and mortars. All untreated mineral and aggregate materials such as Limestone, Sandstone, Clay tile and Stucco. Silox-Seal (Silane/Siloxane) is recommended to seal chimneys, drive ways, parking decks, walkways, tuck-pointing, grout, and provide a vapor barrier in damp areas. Silox-Seal (Silane/Siloxane) is used to protect and maintain bridges, parking garages, airport pavements, industrial plants and other concrete structures. This is a penetrating, matte finish, virtually an invisible sealer.

Surface Preparation:
Apply only to untreated surfaces. Silox-Seal (Silane/Siloxane) may be applied over itself or generic equivalents that have aged or have been applied at less than specified
Spread rates
Remove existing efflorescence by sandblasting or allowable acid cleaning solutions.

All structural cracks must be sealed with appropriate sealants or caulking. Severely aged and eroded mortar joints must be tuck-pointed, preferably with acrylic modified mortar. Remove all loose surface contaminants, grease and oil. Cover all glass surfaces not reachable from ground level. Always apply with uniform pattern until surface is saturated and the material starts to run down. Preferred method of application is with low pressure, garden type spray equipment, however brush or roller application is adequate where appropriate. Material can also be applied by airless spray equipment, however it is essential that the pressure be set very low so as to prevent atomization of the sealer upon leaving the tip.

When applying Silox-Seal (Silane/Siloxane), it is suggested that the substrate receive an initial light "mist" coat to break the surface tension. This should then be followed immediately by a uniform flood coat which allows just enough material to carry a 4 inch rundown from the contact point.

Silox-Seal (Silane/Siloxane) Substrate Coverage Rate

Smooth Textured Concrete........300-350 sq .ft./gal
Rough Textured Concrete.........175 - 225 sq .ft./gal
Extruded Clay Brick.............100 - 120 sq .ft./gal
Dry-pressed Clay Brick..........70 - 90 sq .ft./gal
Smooth Textured Stucco..........230 - 270 sq .ft./gal
Rough Textured Stucco...........120 - 150 sq .ft./gal
Smooth Textured Concrete Block..70 - 80 sq .ft./gal
Split Faced Concrete Block......50 - 60 sq .ft./gal

Although the recommended spread rates are generally adequate, there may be variations in substrate porosity, which may require more or less material for optimum results. Apply at recommended spread rate after determining the size of the surface. With Silox-Seal (Silane/Siloxane) one coat is normally adequate, a two-coat application reduces the potential for inadequate coverage.

Additional Info
Recommended to seal chimneys, walkways, tuck pointing, grout, provide a vapor barrier in damp areas. This is a penetrating, matte finish, virtually invisible sealer. Contractors - Please call for special pricing.