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Sikaflex® + Concrete Fix

One-component, non-sag, polyurethane concrete crack repair sealant 

Sikaflex® + Concrete Fix is a moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal specification TT-S-00230C, Type II, Class A. Meets ASTM C-920, Type S, Grade NS, Class 25.

  • ±35 % joint movement
  • Remains permanently elastic
  • Paintable once cured
  • Excellent resistance to aging & weathering
  • Cures to a tough, durable, flexible consistency with exceptional cut & tear resistance
  • Stress relaxation.
  • Excellent adhesion – bonds to most construction materials without a primer
  • Can be applied to new concrete 24 hours after cure & wet concrete 1 hour after the water source has stopped
  • Non-staining
  • Urethane-based; suggested by EPA for radon reduction
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Usage

  • Designed for all types of joints and cracks where maximum width of sealant will not exceed 1 in. 
  • Suitable for vertical and horizontal joints; readily placeable at 40 °F (4 °C).
  • Has many applications as an elastic sealant between materials with dissimilar coefficients of expansion.
  Ideal for:
  • Weatherproofing of joints,cracks and gaps in concrete & masonry structures 
    • Driveways / Walkways / Patios / Slabs / Foundations Walls
  • Joints in walls, floors, balconies, around window or door frames
 

Advantages

  • ±35 % joint movement
  • Remains permanently elastic
  • Paintable once cured
  • Excellent resistance to aging & weathering
  • Cures to a tough, durable, flexible consistency with exceptional cut & tear resistance
  • Stress relaxation.
  • Excellent adhesion – bonds to most construction materials without a primer
  • Can be applied to new concrete 24 hours after cure & wet concrete 1 hour after the water source has stopped
  • Non-staining
  • Urethane-based; suggested by EPA for radon reduction

Packaging

10.1 fl. oz. (299 ml), moisture-proof composite cartridges, 12/case

Color

Limestone

Product Details

Product Information

Chemical Base

Polyurethane

Shelf Life

15 months in original unopenend packaging

Storage Conditions

Store at 40 to 95 °F (4 to 35 °C). Condition material to 65 to 75 °F (18 to 24 °C) before using

 
Technical Information

Shore Hardness

40±5

(ASTM C-661)

Tested at:

73 °F (23 °C)

50 % R.H.

Chemical Resistance

Good resistance to water, diluted acids, and diluted alkalines. Consult Technical Service for specific data

Resistance to Weathering

Excellent

Service Temperature

-40 to 170 °F (-40 to 77 °C)

Application

Application Information

Ambient Air Temperature

40 to 100 °F (4 to 38 °C). Sealant should be installed when joint is at midrange of its anticipated movement

Substrate Temperature

40 to 100 °F (4 to 38 °C). Sealant should be installed when joint is at midrange of its anticipated movement

Cure Time

Final cure: 5–7 days

Tack Free Time

3–6 hours
Consumption

Coverage

10.1 oz (299 ml) Cartridge: Yield in Linear Feet

Depth 1/4"

Depth 3/8"

Depth 1/2"

Width

1/4"

24.3

3/8"

16.210.8
1/2"12.18.16.1
3/4"8.15.44.0
1"3.0
1-1/4"2.4
1-1/2"2.0
Application steps

SUBSTRATE PREPARATION

Clean all surfaces. Cracks/Joints must be sound, clean, dry, frost-free, and free of oil and grease. Curing compound residues and any other foreign matter must be thoroughly removed.

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