C
DIY Cure Time
Calculator
Concrete & Mortar

Sikacryl Ready-Mix Concrete Patch

Sika

🧱concrete

Full cure (70°F / 50% RH)

24h

Min application temp

40°F

Max application temp

90°F

Open time

240 min

Dry to touch

240 min

Estimate Cure Time

70°F
10°F120°F
50%
0%100%

When this estimate may be unsafe

  • - The joint, bead, pour, or repair is thicker than the product data sheet assumes.
  • - The substrate is colder than the surrounding air, wet, oily, dusty, painted, or otherwise poorly prepared.
  • - The repair will carry weight, resist water pressure, or be safety-critical before full cure.
  • - The work is structural or load-bearing; use code guidance, manufacturer support, and strength testing instead of a calculator estimate.

Quick answers

How long does Sikacryl Ready-Mix Concrete Patch take to cure?

Sikacryl Ready-Mix Concrete Patch fully cures in 24 hours at standard laboratory conditions, usually 70°F / 21°C and 50% relative humidity. At colder temperatures or difficult humidity, cure time can increase significantly.

What is the minimum temperature to use Sikacryl Ready-Mix Concrete Patch?

The minimum application temperature for Sikacryl Ready-Mix Concrete Patch is 40°F (4°C). Applying below this threshold can prevent proper curing and cause the bond or seal to fail.

How long does Sikacryl Ready-Mix Concrete Patch take to cure in cold weather?

Cold temperatures significantly extend cure time. As a rule of thumb, every 18°F (10°C) below 70°F can roughly double cure time. Enter your actual temperature in the calculator for a product-specific estimate.

Does humidity affect Sikacryl Ready-Mix Concrete Patch cure time?

Yes. Sikacryl Ready-Mix Concrete Patch cures by water evaporation, so high humidity slows cure. Above 85% RH cure may fail entirely. Low humidity below 40% RH speeds drying but can cause the adhesive to dry before a proper bond forms. Optimal range is 40-60% RH.

What is the open time for Sikacryl Ready-Mix Concrete Patch?

Sikacryl Ready-Mix Concrete Patch has a working open time of 240 minutes at standard conditions. At higher temperatures open time may shorten; at lower temperatures cure may slow after assembly.

Data sourced from manufacturer's Technical Data Sheet. Last verified: June 2026.
Important: Results are estimates only. Always follow manufacturer instructions. Not suitable for structural, load-bearing, or safety-critical applications.