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US SPEC TP Mortar

US SPEC TP Mortar is a one-component, dry polymer-modified blend of portland cement, selected aggregates and proprietary admixtures designed for repairs from feather edge to 1” in interior and exterior applications. TP Mortar develops a tenacious bond to concrete surfaces and will accept foot traffic in 10-12 hours.

Product Type: Grout

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Knowde Enhanced TDS

Identification & Functionality

Product Type

Features & Benefits

Benefits
  • Thermal expansion similar to concrete.
  • Color  Consistent color match for concrete.
  • Interior and exterior applications.
  • Dry polymer modified: Just add water.
  • Non-corrosive : Will not rust.
  • Consistent : Strict Quality Control testing and standards.

Applications & Uses

Compatible Substrates & Surfaces
Uses

TP Mortar is ideal for a wide variety of concrete surface repairs:

  • Precast concrete products, tilt-up panels, curbs, steps, columns, sidewalks, driveways, concrete walls.
  • Patch repair mortar for spalled and older concrete.
  • Fill in pits, voids and defects in concrete and masonry.
Application

Surface Preparation:

All surfaces in contact with TP Mortar shall be free of dirt, oil, grease, laitance and other contaminants that may act as bondbreakers. All unsound concrete should be removed to ensure good bond. Smooth, dense surfaces need to be mechanically abraded to provide necessary bonding requirements. Mechanically prepare the substrate to a minimum CSP 5 following ICRI Guideline 310.2R to allow proper bonding. ACI recommends the area to be patched should be saturated for 24 hours before placement. Remove any standing water. Surface should be saturated surface dry (SSD). For best results, scrub some of the mixed components into the prepared surface. Do not allow scrub coat to fully dry before placement. Always apply a test patch. Maintain contact areas between 40°F (4°C) and 90°F (32°C) prior to repair and during initial curing period.

Application Thickness:

Featheredge - 1”, up to 4” extended.

Coverage/Yield:

50 lbs (22.7 kg) will fill approximately 0.43 ft³ (0.012 m³) when 4.5 quarts mixing water is used.

Mixing:

For best results, use a mechanical mixer with rotating blades or use a heavy duty 1/2” (15 mm) (or larger) low-speed, corded drill and mixing paddle #6 per ICRI Technical Guideline 320.5R. Pre-wet mixer and empty excess water. Place 4.5 quarts of cool, clean potable water per 50 lb (22.7 kg) bag in mixer, depending on desired consistency being plastic or flowable, then add dry material. Mix on low RPM for a total of 3 to 5 minutes until a homogenous mixture is achieved. Mix only enough material that can be placed within working time. For placements greater than 1” depth TP Mortar must be extended by up to 30% by weight of powder, with clean, washed and dried 3/8” (1 cm) pea gravel. Do not blend excess water as this will cause bleeding and segregation. Do not use any other admixtures or additives.

Placing:

TP Mortar should be placed upon completion of mixing. Place material consistently, avoiding any air entrapment. Trowel material onto the surface to be repaired, ensuring all pores and voids are filled. Force material against edge of repair, working away from center. After leveling, the patch can be troweled, brushed or broomed to the desired finish. When material has reached the proper set, it can be shaved, shaped or molded with a steel trowel. Multiple lifts can be applied. Each lift should be applied no more than 1” depth. Profile or roughen each lift to ensure a good bond. Screed or float to finished elevation.

Finishing and Curing:

Follow standard ACI curing practices. Exposed surfaces should be cured with a membrane forming compound such as US SPEC Maxcure Resin Clear, US SPEC Hydrasheen or US SPEC Hydrasheen 30%.

Properties

Physical Properties

All physical property testing performed in laboratory conditions of 73.5 ± 3.5°F (23 ± 2°C) and a relative humidity no less than 50% unless otherwise determined by the test method or specification. All results represent TP Mortar with 4.5 quarts water unless listed otherwise. Tests are conducted under standardized conditions for comparative purposes, and results may not be representative of performance under field conditions.

Property and Test Method Results
Compressive Strength 1 Day 3 Days 7 Days 28 Days
ASTM C109 2,500 psi
(17.23 MPa)
3,000 psi
(20.68 MPa)
4,000 psi
(27.57 MPa)
5,000 psi
(34.47 MPa)
Rate of Set Working Time Initial Final
ASTM C266 :30 :50 1:20
Flexural Strength 7 Days 28 Days
ASTM C78 1,000 psi
(6.89 MPa)
1,500 psi
(10.34 MPa)
Length Change 28 Days Air 28 Days Water
ASTM C157 (-) .07% (+) .05%
Modulus of Elasticity
ASTM C469
2.22 x 106 @ 28 days (15.3 GPa)
Scaling Resistance Age Scaled Material Visual Rating
ASTM C672 25 Cycles .004/ kg/m² 0
Bond Strength 1 Day 7 Days 28 Days
ASTM C882 1,000 psi
(6.89 MPa)
1,500 psi
(10.34 MPa)
2,500 psi
(17.23 MPa)
Corrosion Resistivity TP Mortar tested compatible with VectorTM Corrosion Technologies Galvashield® embedded galvanic anodes.

Technical Details & Test Data

Limitations

Do not apply when the surface or ambient temperature is below 40°F (4°C) or expected to fall below 40°F (4°C) within 48 hours. Do not apply over surfaces that are frozen or contain frost. Do not apply over any active faults or cracks in the substrate without addressing any movement that may occur. Allow concrete to fully cure for 28 days before use of this product. Setting time will speed up in hot weather and slow in cold weather.

Safety & Health

Danger

This product contains Crystalline Silica (CAS# 14808-60-7) and Portland Cement (CAS# 65997-15-1). Harmful if swallowed. Causes skin irritation. Causes serious eye damage. May cause an allergic skin reaction. May cause cancer. May cause respiratory irritation. Causes damage to organs through prolonged or repeated exposure. Do not eat, drink or smoke when using this product. Wash hands thoroughly after handling. Contaminated work clothing must not be allowed out of the workplace. Do not handle until all safety precautions have been read and understood. Wear protective gloves/protective clothing/eye protection/face protection. Use only outdoors or in a well-ventilated area. Do not breathe dust. Keep away from children. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

First Aid
  • If swallowed : Immediately call a poison center/doctor. Rinse mouth.
  • If in eyes : Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a poison center/doctor.
  • If on skin : Wash with plenty of water. Take off contaminated clothing and wash it before reuse.
  • If skin irritation or rash occurs : Get medical advice/attention.
  • If inhaled : Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell.

Packaging & Availability

Packaging Type
Packaging

50 lb (22.7 kg) bag, 63 bags per pallet.

Storage & Handling

Storage

Normal cement storage and handling practices should be observed. Store material in an interior, cool, dry place. Shelf life is one year in original, unopened container.