Full · Half · Low-profile

Interlocking concrete blocks and bricks for mortar-free walls

Interlocking concrete blocks turn a stack of units into one connected wall. They carry load the moment they are set, with no mortar and no curing.

Interlocking concrete blocks being set on a job site

A system, not loose masonry

Weight and shape hold the wall, not mortar joints.

Each block keys into its neighbors and becomes part of one heavy structure. That makes them the fast choice wherever traditional masonry slows a job down.

  1. 01

    Faster stacking

    Blocks go from the truck to the wall with no setup time.

  2. 02

    Smaller crews

    A modular system needs fewer specialist masons.

  3. 03

    Load right away

    Full stability as soon as a block is placed.

Interlocking concrete block sizes, weights and strength

Use this table to plan freight and crane or excavator lifts.

Block typeSize (L x W x H)Approx. weightUsed for
Full block5 x 2.5 x 2.5 ft4,800 lbMain wall runs, storage bays
Half block2.5 x 2.5 x 2.5 ft2,400 lbWall ends, stepped transitions
Low-profile5 x 2.5 x 1.25 ft2,400 lbCaps and fine height adjustments

Strength

2,500 to 4,000 PSI, depending on the mix and project spec.

Freeze-thaw

ASTM C67: more than 50 severe cycles with under 1% mass loss.

Aggregate

Sourced in line with ASTM C33 for consistent strength batch to batch.

Why interlocking blocks are replacing masonry

No mortar, no curing

Nothing to mix and nothing to wait on.

Reusable layouts

An interlocking wall can be taken apart and rebuilt elsewhere.

Lower total cost

Shorter labor time, faster installs, less idle equipment.

Walls and soil support

Slope stabilization and permanent or semi-permanent walls.

Industrial barriers

Containment that takes impact and changing layouts.

Farm and utility use

Silage walls, feed bins, flood and debris barriers.

Delivery, unloading and lead times

Ordering follows how construction works: by project, not by shopping cart. Your price is based on wall length or footprint, block type and use, and the delivery location.

  • A standard flatbed carries 40,000–48,000 lb: about 8–12 six-foot, 12–18 four-foot or 18–30 two-foot blocks
  • Unload with a forklift or telehandler; use a crane or boom truck for tight access or exact placement
  • Keep a clear path in and out and firm ground at the drop zone
  • Pallet shipments for small jobs, full truckloads for large ones, staged loads for phased builds

Lead times depend on order size, the production schedule and distance. You get dates up front so you can book crews.

Plan a delivery

Questions about interlocking blocks

What are interlocking concrete bricks used for?

Structural walls, walls that hold back soil, barriers and containment, all built without mortar. They are a fast way to build at scale.

Are interlocking blocks stronger than regular blocks?

In many structural uses, yes. The interlock spreads load across the whole wall, which makes it more stable than a mortared wall of the same mass.

Can interlocking blocks hold back soil?

Yes. Their mass and interlock handle sideways soil pressure well. Have an engineer design any tall or loaded wall.

Do interlocking concrete blocks need mortar?

No. They are dry-stacked and lock mechanically, so there is no mortar and no curing time.

Can I buy interlocking concrete blocks in bulk?

Yes. We supply bulk orders across the United States with delivery planned around your project.

Other block lines

Walls · Bays · Barriers

Large Concrete Blocks

Multi-ton units for commercial walls, embankments and storage bays.

1,000 lb to about 4,000 lb

Bins · Perimeters

Barrier & Bin Blocks

Three standard sizes for material bins, site perimeters and gravity walls.

About 8–30 blocks per load

Heavy civil · Flood control

V-Lock Concrete Blocks

A V-shaped interlock for gravity walls, aggregate bays and flood barriers.

2′ x 2′ x 6′ standard unit

Precast interlocking concrete blocks stacked in rows

Get a quote on interlocking concrete blocks

Send your wall length or footprint, the block type and the delivery address. We will reply with a price and a delivery date.