The Boss Block lineup — full block, half block, and cap blocks
Precast Interlocking Concrete Blocks

Boss Block

The Blocks

Wet-cast in steel forms with a round tapered lug-and-socket connection. Stack plumb, batter on a graded base, tier, move, reuse. Prices per block; tax not included.

Boss Block full block

Full Block

30″ × 30″ × 60″
≈ 4,000 lbs · 1.1 yd³
$150 / ea
Boss Block half block

Half Block

30″ × 30″ × 30″
≈ 2,000 lbs · 0.55 yd³
$125 / ea
Boss Block full cap block

Full Cap

15″ × 30″ × 60″
≈ 2,000 lbs · 0.55 yd³
$125 / ea
Boss Block half cap block

Half Cap

15″ × 30″ × 30″
≈ 1,000 lbs · 0.28 yd³
$105 / ea
Buying in Bulk?

Quantity Discounts

Volume pricing on larger block counts — bring your BossWall takeoff and ask.

Same Strength, More Character

Blemish Blocks

Cosmetic seconds at a discount — the same mix and full structural strength, with minor surface blemishes.

Special Requirements?

Custom Batching

Project-specific mixes, strengths, and casting to suit engineered requirements — tell us what the job calls for.

Mix Design & Cure

Batch ticket · by volume
2 : 2 : 1
  • 2
    Washed round stone
    3/8″ → 7/8″ aggregate
  • 2
    Washed concrete sand
    Clean, sharp fines
  • 1
    50/50 slag / Portland cement
    Blended cement
Strength gain — 50/50 slag / Portland mix
2,000 psi at 21 days, 3,200 psi (80%) at 90 days — and slag cement keeps gaining strength long after day 90.
0–3 days · initial set 3–21 days · strength gain 21–90 days · full cure
Cure temperature window
32°F — freezing can damage uncured concrete below 40°F — reaction slows drastically 50–80°F — optimal cure window above 90°F — shrinkage & cracking risk

BossWall Toolkit

Plan your wall before you call us. Free tools built on the same block — from a quick count to a full geotechnical workup.