Knowde Enhanced TDS
Identification & Functionality
- Product Type
- Technologies
- Product Families
Features & Benefits
- Ready-to-Use Product Features
- Benefits / Features
- Excellent bond strength.
- Excellent adhesion to concrete surfaces.
- Self-curing.
- Interior or exterior use.
- Freeze-thaw resistant.
- Sulfate resistant.
- Can be placed from featheredge to a 4' maximum thickness.
- User friendly.
- Easy clean up with water.
Applications & Uses
- Markets
- Application Area
- Recommended Uses
Use for vertical and overhead non-structural repairs to concrete, mortar, brick, stone and mortarless stack and bond block applications.
- Limitations
Not intended for applications on unsound concrete or like surfaces. Do not use when temperature is less than 40° F.
- Surface Determination
Why has the concrete failed? Is there presence of salt, freezing damage, drainage water, deteriorated control or expansion joints? The surface area to be repaired should be in solid condition.
- Surface Preparation
The area to be repaired should be checked with a chipping hammer to ensure the exposed concrete is not scaling. If a section of concrete is deemed to be questionable, complete removal and replacement should be considered. Patching over control or expansion joints is not recommended. The quality and durability of your repair depends on the surface to be patched. Remove loose concrete, mineral salts, grease and paint that will limit bonding performance. Mineral salt should be treated with an acid wash to ensure its removal. Exposed rebar should be free of rust or scaling then protected with a zinc oxide coating to reduce the probability of future rust development. Wet the repair area with water leaving it Saturated Surface Dry (SSD) during the repair. Any standing water should be removed.
- Mixing
Organize work so that all personnel and equipment are in place before mixing. Roll or shake the sealed pail of UNIQUE OHVR to ensure the product is thoroughly mixed prior to use. Use clean, potable water. The use of a mortar mixer or variable speed drill is recommended. UNIQUE OHVR may be mixed using the percentages of water as shown in the table below:
Water UNIQUE® Overhead Vertical
Repair Mortar35 - 40 oz. 10# 70 - 80 oz. 20# 5 - 5.75 qt. 50# Use less water to achieve higher strengths. Do not exceed the recommended water percentage.
Place the desired quantity of water into the mixing container. While the mixer is running add UNIQUE OHVR. Mix for the minimum amount of time required to achieve a lump-free, uniform consistency (usually 1 to 3 minutes). Let material false set for 1-3 minutes to ensure the polymers have had time to hydrate. Re-blend material for 2-3 minutes to achieve a uniform consistency.
- For Best Results
For best results the water temperature should be between 55ºF and 75ºF.
- Warmer water will accelerate the set of material.
- Cooler water will slow the set of the material.
- Placement
Make sure surface is SSD and any standing water has been removed. Firmly place mix into patch areas. Work from bottom of repair to top. For deep fill areas apply a stiff mix in layers to achieve desired thickness. UNIQUE OHVR can be placed from featheredge to a 4 maximum thickness. Do not mix more material than can be placed in 45 minutes.
- Coverage
10 pounds of UNIQUE OHVR mortar yields approximately 0.11 cubic foot of product when mixed with 40 ounces of potable water.
- Clean Up
Water soluble prior to drying. Clean container and tools prior to material drying.
- Curing
Damp cure all installations. Begin curing as soon as the surface has lost its moist sheen. Keep exposed surfaces wet for a minimum of 1 hour. When experiencing extended setting times due to cold temperature or the use of retarder, longer cure times may be required. The objective of damp curing shall be to maintain the continuously wet surface until the product has achieved sufficient strength.
- Temperature
Warm environmental and materials temperatures will reduce the working time. To compensate for warm temperatures, keep material cool and use chilled water. Temperatures below 60ºF will decrease the rate of strength gain. UNIQUE OHVR mortar should not be applied if surface temperature is below 45ºF or above 90ºF.
Safety & Health
- Caution
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive problems. This product contains free Silica. Any inhalation of dust may be harmful to your health. Excessive inhalation causes the risk of serious respiratory disease (SILICOSIS) and susceptibility to other possibly fatal disease. Some medical studies suggest a possible association between crystalline silica and incidence of cancer in humans. Take appropriate protective measure to avoid breathing dust. Use a NIOSH approved respirator for silica dust. For further information, please refer to the Safety Data Sheet.
Injurious to eyes and causes skin irritation. Contains Portland Cement and Lime. Avoid eye contact or prolonged contact with skin. Wash thoroughly after handling. In case of eye contact, flush with plenty of water for at least 15 minutes. Consult a physician immediately if irritation persists. Keep out of reach of children. Do not take internally
Packaging & Availability
- Freight
Class 55
- Packaging
Item # Description 52-00028 UNIQUE® Overhead & Vertical
Repair Mortar Pail 1-gal (10#)120-10# pails per stretch wrapped pallet
3360-10# pails per truckload52-00029 UNIQUE® Overhead & Vertical
Repair Mortar Pail 2-gal (20#)60-20# pails per stretch wrapped pallet
1680-20# pails per truckload52-00010 UNIQUE® Overhead& Vertical
Repair Mortar Pail 5-gal (50#)36 - 50# pails per stretch wrapped pallet
828 - 50# pails per truckloadSpecial UNIQUE® Overhead & Vertical
Repair Mortar Poly Lined
Bag (50# )60 - 50# bags per stretch wrapped pallet
840 - 50# bags per truckload
Minimum order 2,000 bags
Storage & Handling
- Shelf Life
Two years if stored in an unopened pail according to ACI Guidelines.