Product Data Sheet Safety Data Sheet Show all documents
SikaQuick®-2500

SikaQuick®-2500

Very Rapid Hardening Repair Mortar

SikaQuick®-2500 is a one-part, cementitious, very rapid hardening, early strength gain, cementitious patching mortar for concrete.

  • Very rapid hardening as defined by ASTM C928
  • Epoxy coatings can be applied as early as 4 hours at 73 °F (23 °C)
  • Freeze / Thaw resistant
  • Easy to mix and apply -  labor saving
  • Not gypsum-based
  • High early strength
  • Fast setting
  • Open to foot traffic in 45 minutes / Open to vehicular traffic in 1 hour at 73 °F (23 °C)
  • Use in cold temperatures with SikaQuick® Winter Boost [at ambient and substrate temperatures of 20 to 45 °F (- 7 to 7 °C)]
  • Increase Application Time in warm temperatures with SikaCem® Summer Extender [at ambient and substrate temperatures of 85 to 100 °F (29 to 38 °C)]
Product Data Sheet Safety Data Sheet Show all documents

Usage

  • On grade, above grade and below grade concrete conditions
  • Highway overlays and repairs
  • Structural repair material for concrete roadways, parking structures, bridges, dams, ramps and walkways
  • Full depth patching repairs (may require multiple lifts when mixed Neat)
  • Full depth patching repairs when mix is Extended with additional aggregate
  • Economical patching material for horizontal flatwork repairs of mortar lines and concrete surfaces
 

Advantages

  • Very rapid hardening as defined by ASTM C928
  • Epoxy coatings can be applied as early as 4 hours at 73 °F (23 °C)
  • Freeze / Thaw resistant
  • Easy to mix and apply -  labor saving
  • Not gypsum-based
  • High early strength
  • Fast setting
  • Open to foot traffic in 45 minutes / Open to vehicular traffic in 1 hour at 73 °F (23 °C)
  • Use in cold temperatures with SikaQuick® Winter Boost [at ambient and substrate temperatures of 20 to 45 °F (- 7 to 7 °C)]
  • Increase Application Time in warm temperatures with SikaCem® Summer Extender [at ambient and substrate temperatures of 85 to 100 °F (29 to 38 °C)]

Packaging

50 lb. (22.7 kg) bag

Color

Gray powder

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

  • Meets ASTM C 928, Type R3
Product Information

Shelf Life

12 months from date of manufacture if stored properly in original, unopened and undamaged, sealed packaging

Storage Conditions

Store dry at 40 to 95 °F (4 to 35 °C)

Protect from moisture. If damp, discard material.

 
Technical Information

Abrasion Resistance

28 days

0.026 inch (0.066 mm) of wear at 1 hour

Compressive Strength

73 °F (23 °C), 50% R.H.20 °F (- 7 °C) with 1 cup of SikaQuick® Winter Boost  *100 °F (38 °C) with 1 cup of SikaCem® Summer Extender  **

1 hour

2,500 psi

(17.2 MPa)

       -

2,200 psi

(15.2 MPa)

2 hours

4,000 psi

(27.6 MPa)

1,400 psi

(9.7 MPa)

3,000 psi

(20.7 MPa)

1 day

5,700 psi

(39.3 MPa)

4,500 psi

(31.0 MPa)

4,000 psi

(27.6 MPa)

7 days

7,500 psi

(51.7 MPa)

7,000 psi

(48.3 MPa)

6,400 psi

(44.1 MPa)

28 days

8,500 psi

(58.6 MPa)

8,000 psi

(55.2 MPa)

7,100 psi

(48.9 MPa)

*     Consult current SikaQuick® Winter Boost Product Data Sheet.

**   Consult current SikaCem® Summer Extender Product Data Sheet

Modulus of Elasticity in Compression

28 days

4.6 ×106 psi (32 GPa)

Flexural Strength

1 day

800 psi (5.5 MPa)

7 days

1,000 psi (6.9 MPa)

28 days1,100 psi (7.6 MPa)

Shrinkage

28 days

0.06%

Tensile Adhesion Strength

28 days

Approximately 300 psi

(2.1 MPa)

Substrate failure

Freeze Thaw De-Icing Salt Resistance

50 cycles

0.080 lb/ft2 (391 grams/m2)

Rapid Chloride Permeability

28 days

< 500 Coulombs

Slant Shear Strength

1 day

1,800 psi (12.4 MPa)

7 days

2,500 psi (17.2 MPa)

28 days2,700 psi (18.6 MPa)

* Mortar scrubbed into mechanically prepared, SSD substrate at 73 °F (23 °C), 50% R.H.

Freeze-Thaw Stability

28 days

300 cycles

98%

Splitting tensile strength

1 day

300 psi (2.1 MPa)

7 days

500 psi (3.4 MPa)

28 days600 psi (4.1 MPa)

Application

Application Information

Mixing Ratio

5 – 5.5 pints (2.4 – 2.6 liters)

Layer Thickness

Minimum*

Maximum (per lift)

Neat

1/4" (6 mm)

6" (152 mm)

Extended

1" (25 mm)

8" (203 mm)

  • Do not feather edge.

  • Do not exceed 7" (178 mm) slump when extended.

  • Greater application thickness can be achieved with the addition of up to a maximum 50 lbs (22.7 kg) of 3/8 inch (10 mm) coarse aggregate.

  • The maximum aggregate extension is 50 lbs (22.7 kg) of coarse aggregate per bag.  Maximum thickness per lift = 8" (203 mm).

* Minimum 'Neat' thickness is 1/2" (13 mm) with the use of SikaQuick® Winter Boost

Product Temperature

65 to 75 °F (18 to 24 °C)

Ambient Air Temperature

> 40 °F (4 °C) and rising

20 to 45 °F (- 7 to 7 °C) with the use of SikaQuick® Winter Boost

Up to 100 °F (38 °C) with the use of SikaCem® Summer Extender

Substrate Temperature

> 40 °F (4 °C) and rising

20 to 45 °F (- 7 to 7 °C) with the use of SikaQuick® Winter Boost

Up to 100 °F (38 °C) with the use of SikaCem® Summer Extender

Application Time

Approximately 15 minutes *

Product temperature will affect the Application Time:

  • Above 73° F (23° C) will reduce the Application Time and workability

  • Below 73° F (23° C) will extend the Application Time and workability 

* At ambient and substrate temperatures from 75 to 100 °F (24 to 38 °C), gain up to an additional 15 minutes (typical) with the use of SikaCem® Summer Extender.

Set Time

12 – 24 minutes

(ASTM C266)

73 °F (23 °C),

50% R.H.

Final set time

20 – 40 minutes

(ASTM C266)

73 °F (23 °C),

50% R.H.
Consumption

Coverage

Yield

Neat

0.43 ft3 (0.012 m3)

Extended with 25 lbs. (11.4 kg) of 3/8 inch (10 mm) pea gravel

0.58 ft3 (0.017 m3)

Extended with 50 lbs. (22.7 kg) of 3/8 inch (10 mm) pea gravel0.77 ft3 (0.022 m3)

(Yield figures do not include allowance for surface profile, porosity or material waste)
Application steps

MIXING

  • Wet down all tools (i.e. paddles / blades) to be used for mixing.
  • Pour the required amount of clean potable water [approximately 70 °F (23 °C)] into a suitably sized and clean mixing container, using a calibrated measuring jug or similar to ensure strict control of water content. Do not overwater.
  • Add 1 bag while continuing to mix with a low speed drill (400 - 600 rpm) and mortar mixing paddle or in an appropriate mortar mixer.
  • Once all the powder has been added, mix to a uniform consistency for no more than a maximum 3 minutes, until a lump free, homogeneous blend is achieved. Do not overmix.
  • Thorough mixing and proper proportioning of the powder and liquid is necessary.
  • Inaccurate proportioning of the powder to liquid will result in a finished product that may not conform to the typical published performance property values.

    

  • With water or undiluted SikaLatex® R: Pour 5 pints (2.4 liters) of liquid into the mixing container. Slowly add powder, mix and adjust as above. Add up to an additional 1/2 pint (0.25 liter) maximum of liquid to achieve desired consistency. Do not overdose.

    

  • With diluted SikaLatex® R: SikaLatex® R admixture may be diluted up to 5:1 (i.e. water to SikaLatex® R) for projects requiring minimal polymer modification. Pour 5 pints (2.4 liters) of the mixture into the mixing container. Slowly add powder, mix and adjust as above. Add up to an additional 1/2 pint (0.25 liter) maximum of liquid to achieve desired consistency. Do not overdose.

     

  • With SikaQuick® Winter Boost

  • Pour the recommended volume of clean, potable water [> 34 °F (1 °C)] into a suitably sized and clean mixing container.  There should be no ice in the water.

  • Add 1/2 cup or 1 cup per bag into the water and mix until it is dissolved.

  • Add contents of the SikaQuick®-2500 bag while continuing to mix.

  • Refer to the current Product Data Sheet for complete instructions on the use of SikaQuick® Winter Boost.

With SikaCem® Summer Extender

  • Pour the recommended volume of clean, cold, potable water into a suitably sized and clean mixing container.
  • Add 1/2 cup or 1 cup per bag into the water and mix until it is dissolved.
  • Add contents of the SikaQuick®-2500 bag while continuing to mix.
  • Refer to the current Product Data Sheet for complete instructions on the use of SikaCem® Summer Extender.

  

EXTENSION WITH AGGREGATES

  

  • When necessary and/or for full depth applications, add 3/8" (10 mm) coarse aggregate [minimum 1" (25 mm) required].
  • The typical addition rate is 25 - 30 lbs. (11.4 -13.6 kg) of aggregate per bag. This is approximately 2.0 - 2.4 gallons (7.6 - 9.1 liters) by loose volume of aggregate. Maximum amount of aggregate that can be added is 50 lbs. (22.7 kg) or approximately 4 gallons (15 liters) by loose volume.
  • The aggregate must be non-reactive (reference ASTM C1260, C227 and C289), clean, well graded, Saturated Surface Dry (SSD), have low absorption and high density, and comply with ASTM C33 size number 8 per Table 2.
  • Variances in the quality of the aggregate will affect the physical properties of SikaQuick®-2500 and may result in different strengths.
  • Do not use limestone aggregate.
  • Do not exceed a slump of 7" (178 mm). This may cause excessive bleeding and retardation and may reduce the strength and performance of the material.

APPLICATION

  • A neat mix of SikaQuick®-2500 mortar must be scrubbed into the mechanically prepared, SSD substrate. Be sure to work into all pores and voids.
  • Force SikaQuick®-2500 material onto wet scrub coat and against edge of repair, working toward center. After filling repair area, screed off excess.
  • Allow material to set to desired stiffness, then finish with wood or sponge float for a smooth finish; broom or burlap drag for a rough finish.
  • If a smoother finish is desired, a magnesium float should be used.
  • To assist in the finishing process, use SikaFilm® finishing aid. Consult the current Product Data Sheet for SikaFilm® before use.
  • Mixing, placing, and finishing should not exceed 15 minutes maximum.
  • Refer to ACI 305 the "Guide to Hot Weather Concreting" or ACI 306 the "Guide to Cold Weather Concreting" when there is a need to place this product while either hot or cold temperatures prevail. Thinner placements will be more sensitive to the temperature conditions.
 

CURING TREATMENT

  • As per ACI recommendations for Portland cement concrete, moist curing is required.
  • Moist cure with wet burlap and polyethylene, with a fine mist of water or with a compatible*, water based, curing compound meeting ASTM C309 (e.g. Sika® Antisol-250 W, Sikagard®-1319 KNS or Sikagard®-180 KNS WB - consult current Product Data Sheets).
  • Moist curing should commence immediately after finishing.
  • Protect freshly applied mortar from direct sunlight, wind, rain and frost.
  • To prevent from freezing, cover with insulating material (e.g. curing blanket).

* Pretesting of any non-Sika curing compound is highly recommended.

 

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