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 and stucco surfaces where surface darkening is unacceptable.

• This is a concentrated formulation that should be diluted based on project materials and conditions, see coverage and dilution charts below
• Reduces bonding of airborne dirt and hydro-carbons
• Reduces water damage caused by freeze/thaw cycles
• Provides protection against efflorescence and exhibits excellent resistance to ultraviolet rays and chlorine ions
• Exceeds requirements of NCHRP 244, meets SSW 110C Federal Specification and ASTM E514

ALWAYS PERFORM A SAMPLE TEST
For assistance call: 1-800-323-3565

FOR MASONRY/SURFACE TYPES:
Formulated for use on Precast And Site Cast Concrete, Clay and Concrete Masonry, Sandstone and Stucco Surfaces where surface darkening is unacceptable

NOTES/LIMITATIONS:

• NOT recommended for marble, travertine, limestone, polished granite, gypsum, plaster or syntheic resin paint
• Once diluted with water the 300-C Concentrate product must be applied within 24 hours for maximum effectiveness

SIZES: 1, 5 & 55 Gallons

Water-Based Siloxane Concentrate Water Repellent

• Thoroughly mix product.
• Apply with a dense, soft masonry brush, roller, or low pressure (40-50 psi) airless sprayer.
• Apply when temperatures are above 40°F starting from the bottom to top of surface.
• Slowly apply in a wet on wet technique with 4” to 8” run down on vertical surfaces. If pooling occurs on horizontal application, spread out with a broom until penetration occurs.
• For detailed instructions, download the Technical Data Sheet for this product
• Suggested Dilution Rates for 300-C Water-Base Siloxane Water Repellent

Project Materials/Condition	Dilution Rate is
Vertical Surfaces	1 Part Product To:
Porous	9 parts water
Semiporous	14 parts water
Dense	19 parts water
Horizontal Surfaces	1 Part Product To:
Porous	4 parts water
Semiporous	7 parts water
Dense	9 parts water

• Coverage Rates
  for 300C Water-Based Siloxane Concentrate Water Repellent

Project Materials/Condition	Coverage:
Concrete
Brick & Tile	600-850 sq. ft.
Pre-cast Panels	1500-2000 sq. ft.
Pavers	600-850 sq. ft.
Cast-in-place	600-850 sq. ft.
Fired Clay
Brick Pavers, Terra Cotta & Tile	1250-1750 sq. ft.
Granite
Unpolished	2000-4000 sq. ft.
Sandstone	750-1000 sq. ft.
Slate	2000-4000 sq. ft.