SURFACE PREPARATION: First remove all dirt, oil, grease, or contaminants from surfaces to be grouted. Then remove all loose material.

Metals which will come in contact with grout must be derusted, or freed of paints, oils, and greases.

To avoid entrapment of air, provide air-relief openings where required. Prior to placement of grout, thoroughly soak or dampen all concrete areas to be grouted. Then remove excess water from voids and holes.

FORMING: For machinery bases and column base plates, follow standard forming procedures which permit complete and proper placement of fluid grout, including use of head forms.

All support elements should be anchored to prevent movement. Do not remove supports until grout has sufficiently hardened. Wood surfaces which absorb moisture should be pre-treated with forming oils. When grouting edges of concrete which are less than 1 inch thick, cut edges back to form a uniform butt.

Mixing and proportions: UltraGrout-90 is a one-step, ready-to-use mixture. Just add water, nothing more. For uniform mix, use paddle or drum-type mechanical mortar mixers. Place grout immediately after mixing. Do not mix more grout than can be placed within the allotted work time. Set time, initial - 53 minutes; final - 150 minutes.

For small batches: Use a five gallon bucket and a paint mixer impeller type attachment for a 3/8" or 1/2" drill. The "jiffy type" mixer blades are sufficient. Add the proper amount of water. Place the mixer blade in the water and slowly add the grout as you use the low speed. Mix for three minutes or longer to obtain a smooth lump-free mixture.

For larger batches: Add the water first. Allow a longer mixing time as more material is being batched at one time. Add two minutes of mixing for each bag after the first. If the grout is being pumped, never overwater as this will cause segregation of the mix and the sand to settle to the bottom. A heavy duty diaphragm or progressive cavity pump is recommended.

PLACEMENT: Follow the standard grouting procedures and recommendations of ACI for the placement and curing of concrete. Use chains, rods, or tamping devices to compact grout, taking care to remove all air voids.

For optimum results air temperature should be near 72°. Pour grout quickly and continuously, striking off exposed areas. Finished UltraGrout-90 should be cured.

1. Handle UltraGrout-90 as you would concrete to protect it against temperatures and weather. Do not exceed ACI limitations on placement of concrete.

2. Exposed finished grout must be cured.

3. Do not add any other cements or aggregates to UltraGrout-90

4. Do not retemper after initial set.

Yield: BVS UltraGrout-90 is packaged in 55 lb. bags to yield 0.49 cubic foot of grout when mixed to a plastic consistency. When mixed to pourable consistency as per directions, one sack will yield approximately .47 cu. ft. of grout - 57.5 sacks = 1 cu. yd.

SPECIFICATION COMPLIANCE: UltraGrout-90 meets or exceeds the following specifications:

• ASTM-C-1107 Standard Specification for packaged dry, hydraulic cement grout (non-shrink)
• CRD-C-621-89 Specification for Non-Shrink Grout (Corps of Engineers)
• CRD-C-614 Method of Test for Time of Setting of Grout Mixtures
• ASTM-C-109 Standard Test for Compressive Strength of Hydraulic Cement Mortars
• ASTM-C-266 (CRD-C-222) Standard Test for Time of Setting of Hydraulic Cement by Gillmore Needle
• ASTM-C-232 (CRD-C-79) Standard Method of Test for Bleeding of Concrete
• ASTM-C-827-82 Standard Test Method for Early Volume Change of Cementitious Mixtures

Documents evaluating compliance with specifications by an independent testing laboratory are available.

• Temperatures between 50°F and 80°F (10°C-27°C) have no effect on the grouting procedure. When temperatures fall below 50°F around the area to be grouted, the mixing water and the dry grout should be warmed to not more than 80°F. Use ACI-306-87 "Standard on Cold Weather Concreting" as a guide, however when temperatures of 80°F or more prevail, the grout and the mixing water should be cooled as per ACI-305-89 "Standard on Hot Weather Concreting".
• Do not add accelerators to UltraGrout-100
• Grouted surfaces that are exposed to the atmosphere should be treated with a clear curing compound to prevent rapid shrinking and cracking.
• If damp curing is applied, keep the ground moist for at least 24 hours.

These are conservative data and individual applications will most likely yield higher strengths.