Fast-Setting Concrete Mix

Rapid-Set Concrete Bags for Fence Posts & Slabs

When speed is the name of the game, Sakrete Fast-Setting Concrete Mix is your go-to. For no-mix post setting, same-day slabs, faster fences and more, Sakrete Fast-Setting Concrete bags allow you to tackle more jobs in less time.

Sakrete Fast-Setting Concrete is a mixture of special cement materials, sand and coarse aggregate for projects where rapid setting is needed to allow for same-day use. It’s ideal for setting fence posts, driveways, slabs, patios, walkways, curbs, stairs, ramps and structural applications requiring a small volume of concrete.

For jobs that need to be quickly opened back to automotive traffic, consider Fast Traffic Concrete Mix or High Early Strength Concrete Mix.

Product Details

  • A fast-setting mix engineered for rapid turnaround projects or cold-weather pours
  • No mixing required when used for setting posts
  • Full-depth applications over 2"
  • Sets in 30 minutes,
  • Ready for Foot Traffic in 6 hours & Vehicle Traffic in 48 hours
  • Available in 50 lb bags
  • Yields 0.38 ft3 or 1 sq. ft. at 4" deep

Application Depth

2" and over

Initial Set Time

30 Minutes

Minutes

Foot Traffic

6 Hours

Hours

Vehicle Traffic

48 Hours

Hours

Final Strength

4,000 PSI

PSI

How much product do I need?

Post Setting Calculator
Slab Pour Calculator

Pro Tips