8″ x 8″ x 16″ Concrete Block

8″ x 8″ x 16″ Concrete Blocks

Heavy-duty dual-core construction block with superior load-bearing capacity for structural applications.

Key Features:

  • 8″ x 8″ x 16″ nominal dimensions
  • Dual hollow core design
  • 2,000+ PSI compressive strength
  • Meets ASTM C90 standards
  • Fire-rated construction
  • Moisture resistant
  • Uniform size and quality
  • Approximately 32-36 lbs per block

Perfect for:

Foundation walls, retaining walls, load-bearing structures, and commercial or industrial construction projects requiring durable masonry units.

– Nationwide Delivery In 1-3 Days

$11.50

8″ x 8″ x 16″ Concrete Blocks

Heavy-Duty Dual-Core Construction Block

Industrial-grade concrete masonry unit featuring two hollow cores and precision dimensions for structural walls, foundations, and heavy-duty construction applications.

Key Benefits

  • Superior load-bearing capacity
  • Uniform dimensions
  • Dual-core design
  • Moisture resistant
  • Fire rated construction
  • Sound dampening properties
  • Freeze-thaw durability
  • Versatile building material

Technical Specifications

  • Dimensions: 8″ x 8″ x 16″ nominal
  • Actual Size: 7-5/8″ x 7-5/8″ x 15-5/8″
  • Weight: Approximately 28-32 lbs
  • Material: Portland cement and aggregates
  • Core Type: Double hollow core
  • Compressive Strength: 2,000+ PSI
  • Fire Rating: 2-4 hours (depending on assembly)
  • Meets ASTM C90 standards

Perfect For

  • Foundation walls
  • Retaining walls
  • Load-bearing walls
  • Commercial construction
  • Industrial applications
  • Structural partitions
  • Below-grade installations
  • Fire-rated assemblies

Installation Instructions

  1. Prepare level base or footing
  2. Mix mortar to proper consistency
  3. Lay first course with full mortar bed
  4. Check for level and plumb
  5. Maintain 3/8″ mortar joints
  6. Stagger vertical joints
  7. Install reinforcement where specified
  8. Fill cores with grout when required

Pro Tips

  • Store blocks on pallets and keep dry
  • Pre-dampen blocks in hot weather
  • Use proper lifting techniques
  • Consider waterproofing for below-grade use
  • Verify local building code requirements
  • Use appropriate reinforcement schedule
  • Allow proper curing time
  • Plan for wall penetrations and openings

Keywords:

6 inch concrete block, concrete masonry unit, CMU, building block, construction block, foundation block, structural block, heavyweight block

Dimensions 41 × 20 × 20 cm
Quantity

Pallet, Singular

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