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Product: Dayton Superior Penetrating Concrete Sealer J-29 Weather Worker
Description: Penetrating Silane Sealer, No Cleaning or Masking of Windows.
Purpose: Weather Worker S-40 is a proprietary 40% silane that penetrates into concrete or masonry and provides long term weatherproofing protection. Weather Worker S-40 is a single component product that is ready to use and typically requires only one application. During application of Weather Worker S-40, no masking or cleaning of windows is necessary and metal areas are unaffected. Labor savings alone can save up to 70% of installation time. The silane molecule can penetrate deeper into the substrate than conventional sealers and even deeper than a typical siloxane sealer. Once the silane molecule penetrates the surface it chemically reacts with, and bonds to, the concrete or masonry substrate. As a result of the strong chemical bond, silane waterproof protection will last many times longer than conventional coatings. Weather Worker S-40 will not darken the surface or leave a visible surface film. It is ideal for aesthetic/architectural surfaces.
In independent testing, Weather Worker S-40 allowed perfect moisture vapor transmission or “breathing” of the substrate. This ability to breathe helps prevent potential freeze-thaw damage.
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J-29 protects many types of surfaces:
- Cast-In-Place and Precast Concrete
- Exposed Aggregate
- Brick and Mortar
- Stucco and Sandstone
Weather Worker J-29 Prevents or Inhibits:
- Moisture Penetration
- Attack by Deicing Salts and Chloride Ions
- Reinforcing Steel and Precast Anchor Corrosion
- Mildew and Leaching
- Attack by Airborne Industrial Chemicals
- Spalling Caused by Freeze-Thaw Cycles
- Efflorescence
- Surface Scaling
Advantages:
- No masking or cleaning of windows
- Small silane molecules result in deep penetration
- Outstanding protection against deicing salts and chloride ions (over a 90% reduction)
- Passes the N.C.H.R.P Report 244
- Will not change the traction or skid resistance of a surface
- No color change/will not darken surface
- Strong chemical bond to the substrate
- Can be applied down to 32°F (0°C)
- Dries quickly, can be reopened to traffic within one hour
- Improves adhesion for solvent based paints
Limitations:
- Apply only between 32°F -100°F (0°C-38°C).
- Do not apply to a damp or wet surface.
- Cover and protect all grass, shrubs, plants, etc. from overspray.
- Do not spray onto plastic or specialty coated glass, protect all asphalt based materials and painted surfaces.
- Keep containers tightly sealed when not in use.
- Store in a dry location with a temperature range between 0°F (-18°C) to 110°F (43°C)
- Not for use on porous concrete block.
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