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Concrete Mix Crack Resistant PSI-4000 (50 lb.)

Concrete Mix Crack Resistant PSI-4000 (50 lb.)

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$6.10at Supply OntimeChecked Nov 8

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Price facts

  • Last seen at $6.10 at Supply Ontime on Nov 8.
  • Our take on the Concrete Mix Crack Resistant PSI-4000 (50 lb.)

    This is a 50 lb. bag of fiber-reinforced concrete mix rated at 4,000 psi, blended with cement, sand, gravel and admixtures to limit the cracking that comes from drying shrinkage. It is aimed at slab-on-grade work such as driveways, walkways, sidewalks, patios and floors, and the maker says no wire mesh is needed. The fiber reinforcement and impact resistance put it above plain 4,000 psi mixes that expect you to add mesh, while basic high-strength mixes without fibers are the cheaper but more crack-prone route. It suits both first-timers and tradespeople pouring flatwork.

    Best forDriveways, walkways and sidewalksPatio and floor slabs poured on gradeDIYers pouring flatwork without meshSmall repair and replacement slabs
    Pros
    • Fiber-reinforced to reduce drying-shrinkage cracks
    • 4,000 psi strength for slabs on grade
    • Maker says no wire mesh required
    • Reported to be easy to work with
    • Good impact resistance
    Cons
    • Heavy 50 lb. bags add up fast on large pours
    • Fibers can show at the surface if finishing is rushed
    • Not intended for structural or overhead work
    • Full pallets mean buying many bags at once

    Concrete Mix Crack Resistant PSI-4000 (50 lb.) prices at every store

    • Supply OntimeNew

      In stockReturn policy

      $6.10Checked Nov 8
      Visit Supply Ontime

    About the Concrete Mix Crack Resistant PSI-4000 (50 lb.)

    This 50 lb. bag of crack-resistant concrete mix is formulated to greatly minimize the cracking caused by drying shrinkage. It is a 4,000 psi mix made from cement, sand, gravel, fibers and admixtures.

    It is intended for driveways, walkways, floors, sidewalks and patios. It is designed for slab-on-grade applications without needing wire mesh. The mix offers good workability and impact resistance, and it suits both professionals and beginners.

    Strength
    4,000 psi
    Bag weight
    50 lb.
    Composition
    Cement, sand, gravel, fibers and admixtures
    Uses
    Driveways, walkways, floors, sidewalks, patios
    Application
    Slab-on-grade, no wire mesh needed
    Pallet
    64 bags

    Questions and answers

    Do I really not need wire mesh?
    The maker states it is designed for slab-on-grade applications without wire mesh, because the fibers handle the shrinkage cracking. Follow the bag instructions for subgrade prep and joint spacing.
    How many bags will my slab need?
    Yield depends on slab thickness. A 50 lb. bag covers roughly half a cubic foot, so a 10 ft. by 10 ft. slab at 4 in. thick takes about 33 bags. Use the bag-count calculator on the listing for your square footage.
    What is it best used for?
    Flatwork on grade: driveways, walkways, sidewalks, patios and floors. It is not a structural mix for footings, columns or overhead pours.
    How does it compare with a plain 4,000 psi mix?
    Both reach 4,000 psi, but this one adds fibers and admixtures to cut shrinkage cracking, so you can skip mesh. Plain mixes cost less but usually need mesh or rebar for the same crack control.
    Can a beginner use it?
    Yes. It is sold as suitable for beginners, and the workability helps with placing and finishing. Mix and finish per the bag directions and cure the slab properly.
    How is it sold in bulk?
    Bags are 50 lb. each, and a full pallet is 64 bags for larger pours.
    Where is the Concrete Mix Crack Resistant PSI-4000 (50 lb.) cheapest?
    At Supply Ontime, for $6.10, as of our latest check.

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