Pavemend VR™ Vertical, Overhead & Precast REPAIR MORTAR

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Recommended Use
Pavemend VR™ has been designed specifically for use in vertical and overhead applications such as spall repair and impact damage on beams, columns, pile and pile caps, tendon grouting, pressure bearing pre-cast pipe, curbs, steps, pre-stressed panels, tunnels, sewers, loading docks, silos,retaining walls, culverts, catch basins, decorative moldings, parapet walls, septic tanks, cold storage vaults and other pre-cast product repair applications.

Features and Benefits

• Not recommended for surface temperatures above 120°F/49°C or below 40°F/10°C
• Not for submerged applications
• Will not bond to polymers
• Pumping not recommended
  

Unit Weight (NEAT)
115 lb/ft³ (1842 kg/m³)

Setting Time
Set Times at 72°F/22°C at 1”(2.54 cm) material depth
Initial set: 15 - 20 minutes
Final set: 25 -35 minutes

Volume Yield:
0.14ft³ (0.004 m³) per 17 lb (7.7 kg) 2 gallon unit
0.43ft³ (0.012 m³) per 51 lb (23 kg) 5 gallon unit

Packaging:
17 lb (7.7 kg) 2 gallon (7.6 L) bucket
51 lb (23.1 kg) 5 gallon (18.9 L) bucket (special order)

Shelf Life:
3 years (when stored in original unopened bucket)

Storage:
Buckets are environmentally sealed and require no special storage requirements

Test Data
Results provided by licensed engineering test laboratory and represent typical results from production materials. Actual results may vary from third party testing results; however, CERATECH’s materials meet and/or exceed established internal quality control standards, (available upon request) . All samples were air cured.

Site Preparation
Surfaces should be prepared in accordance with ICRI 03730, “Guide for Surface Preparation for the Repair of Deteriorated Concrete Resulting from Reinforcing Steel Corrosion.” and / or ACI 546R-96 “Concrete Repair Guide”. Concrete surface should be prepared by appropriate mechanical methods to obtain an exposed aggregate surface with a minimum surface profile of +/- 1/16” (1.5 mm) in accordance with ICRI 03732. Pre-existing coatings or surface treatments should be completely removed. Dry, clean, stable surfaces are required. Remove all standing water. Reinforcing steel should have no loose scale.

• Loosen materials in the bucket by tumbling bucket & dry mixing before adding water.
• To ensure product performance, DO NOT divide or separate individual units into smaller portions. MIX ENTIRE CONTENTS AT ONE TIME.
• A drill (6 amp minimum) with a mixer blade turning at least 500 to 800 rpm is required. Drills with speeds greater than 800 RPMs may entrain air in the mix.
• DO NOT HAND MIX
• To begin the mixing process, add the proper amount of water:
   
  

  For Each	Add
  17lb (7.7 kg) - 2 gal. (7.6 L) bucket	1 U.S. quart (.95L) of water
  51lb (23 kg) - 5 gal. (19.8 L) bucket	3 U.S. quarts (2.8L) of water

  
  
• The desired water temperature is between 65°F/18°C and 75°F/24°C.
• After adding the water, it is very important to rapidly incorporate all of the dry Pavemend VR™ powders to achieve a uniform wet mixture within the first 30 seconds of mixing.
• In ambient temperatures under 72°F/22°C, CERATECH highly recommends the use of a thermal gun or temperature probe to verify that a Critical Mix Temperature of 80°F/27°C has been reached. Place material into repair area when this temperature has been achieved.
• In ambient temperatures over 72°F/22°C and without using a thermal measuring gun or temperature probe, mix material for 4 1/2 minutes in ambient temperatures of 72°F /22°C to 80°F/27°C, mix for 3 1/2 minutes in ambient temperatures of 80°F/27°C to 90°F/32°C, mix for 3 minutes in ambient temperatures above 90°F/32°C and place.

1. Pavemend VR™ undergoes an exothermic chemical reaction during blending. Heat, the by-product of the reaction, is the best indication that the reaction is complete and that the product is ready to be poured. Pavemend VR™ has a Critical Mix Temperature of 80°F/27°C which MUST BE REACHED before pouring to obtain optimum performance. (In cold weather, it may be impossible to reach the Critical Mix Temperature, therefore a 20°F rise in material temperature is mandatory to ensure that the necessary chemical reactions have taken place to deliver the desired performance characteristics) Mixing time to reach the Critical Mix Temperature will vary with ambient air and mix water temperatures, however, never mix Pavemend VR™ for less than 3 minutes It is recommended that a thermal gun or temperature probe be used to ensure that the Critical Mix Temperature has been achieved.
2. Special instructions for cold weather mixing: ( Under 50°F)
   • At temperatures of approximately 40°F, add a single unit of Pavemend VR Cold Weather Accelerant directly to material within bucket before adding mix water. Mix for 5 minutes ( If Pavemend VR Cold Weather Accelerant is not available, mix material for approximately 10 minutes or achieve a 20°F rise in material temperature)
     
   • At temperatures of approximately 50°F, add a single unit of Pavemend VR Cold Weather Accelerant directly to material within bucket before adding mix water. Mix for 4 minutes ( If Pavemend VR Cold Weather Accelerant is not available, mix material for approximately 8 - 9 minutes or achieve a 20°F rise in material temperature)

• Working times are influenced by surface temperature and repair profile.
• Minimum profile thickness is 0.06" (1.5mm).
• Maximum profile thickness is not limited. When placing profiles greater than 4.00" (10 cm) layering is required to minimize sag.
• Scrub coats can be utilized when the host concrete is excessively dry or when very thin cosmetic applications are desired.
• All existing control joints must be honored and re-established if necessary 1 - 3 hours from final set
• Finish the repair to the desired texture and / or to match the surrounding concrete. DO NOT use additional water during the finishing process
• Self-curing
 
• Clean all tools and equipment with water prior to the material reaching final set.

• See Material Safety Data Sheet (MSDS).
• This document does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.
• Dispose of water materials in accordance with Federal, State, and Local regulations.
• The use of a dust mask, safety goggles and gloves is recommended.
• Keep out of reach of children.

WARRANTY
CERATECH, Inc. (“CERATECH”) warrants that its products are free from defects in materials and workmanship. If any CERATECH product fails to conform to this warranty, CERATECH will replace the product at no cost to the buyer or refund the purchase price, at CERATECH’s election. Any warranty claim must be made within one (1) year from the date of the shipment of the product to the buyer. In no event shall CERATECH be liable to the buyer for any consequential or incidental damages of any nature. CERATECH MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, WRITTEN OR ORAL AS TO THE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF ITS PRODUCTS AND EXCLUDES THE SAME. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF.

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