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SpecChem UW Grout

SpecChem UW Grout

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Contractor Overview

UW Grout is a non-shrink cement-based grout. Underwater Cementitious Grout UW Grout is a specialized, underwater, cement-based, non-shrink grout with an integral corrosion inhibitor, designed for underwater repair applications such as pile restoration. This grout is tailored for use in tidal zones and can be applied in thicknesses ranging from 1/2 inch to several inches.

Best For

  • Base plates and equipment grouting
  • Anchor bolt and column base grouting
  • Precast and tilt-up support work

Key Features

  • Non-shrink grout with an integral corrosion inhibitor, designed for underwater repair applications such as pile restoration
  • Non-Shrink: Ensures durability and stability by maintaining volume over time
  • Corrosion inhibitor, designed for underwater repair applications such as pile restoration
  • Corrosion Inhibitor: Protects the integrity of metal components within the grout application area

Material & Application Notes

Underwater Cementitious Grout UW Grout is a specialized, underwater, cement-based, non-shrink grout with an integral corrosion inhibitor, designed for underwater repair applications such as pile restoration. It is formulated to resist wash-out and is suitable for use in saltwater environments. Wash-out Resistant: Specially formulated for minimal wash-out, making it ideal for underwater applications.

Why Contractors Choose It

Contractors choose UW Grout when the job calls for dependable bearing support, positive placement, and a grout that can be matched to real equipment or base plate conditions.

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Application

UW Groutis recommended for:

  • Grouting of bridge columns, concrete pilings, and dam repairs.
  • Applications where a resistant, free-flowing, or pumpable non-shrink grout is required, especially in underwater settings.

Preparation and Application

  • Surface Preparation:The substrate must be clean and sound, with all loose material removed. Use sandblasting or high-pressure water jetting for surfaces permanently immersed in water.
  • Mixing:Use 7 to 7.5 pints of water per 50 lb bag to achieve a flowable consistency. Mix with a mechanically powered grout mixer and ensure continuous operation to prevent setting delays.
  • Placing:UW Grout can be dry-packed, poured, or pumped. Utilize a flexible tube for placement to ensure even distribution and to minimize water entrapment.

Curing and Limitations

  • Submerged Applications:No curing is required for applications submerged in water.
  • Above-Water Applications:Cover with wet rags immediately after setting, followed by an ASTM C309-91 compliant curing compound.

Packaging

Available in 50 lb bags and 3000 lb super stacks.

Shelf Life

Store in a cool, dry place away from moisture. Properly stored, UW Grout has a shelf life of one year.