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National Masonry Pavers and Blocks

National Masonry 150 Series 15.20 Knockout Bond Beam 390x190x140mm

National Masonry 150 Series 15.20 Knockout Bond Beam 390x190x140mm

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National Masonry 150 Series 15.20 Knockout Bond Beam (390 × 140 × 190 mm) is a concrete masonry bond beam block designed for reinforced structural wall systems. Featuring hollow cores with knockout sections for easy reinforcement placement, it provides a durable solution for bond beams, reinforced walls, and residential or commercial construction projects.

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Product Application

Residential & Commercial
Retaining Walls
Retaining Walls

PRODUCT DESCRIPTION

National Masonry produces a comprehensive range of concrete masonry units designed for structural and construction applications. Its block systems are developed to support reinforced masonry construction, ensuring consistency, compatibility, and reliable on-site performance.

Features:

  • Concrete bond beam block with knockout sections
  • 150 Series standard sizing for system compatibility
  • Hollow core designed for reinforcement and grout filling
  • High-strength concrete construction
  • Knockout openings for simplified installation of rebar
  • Consistent dimensions for accurate alignment
  • Manufactured to Australian Standards

PRODUCT BENEFITS

  • Allows easy placement of horizontal reinforcement within masonry walls

  • Improves structural strength and load distribution across wall systems
  • Reduces the need for on-site cutting through knockout design
  • Enhances resistance to lateral forces such as wind loads
  • Maintains compatibility with standard 150 Series block systems
  • Manufactured using recycled fly ash for improved material efficiency

PRODUCT SPECIFICATIONS

Product Name:

National Masonry 150 Series 15.20 Knockout Bond Beam
Product Type:
Concrete masonry bond beam block
Series:
150 Series
Format:
Knockout bond beam block
Dimensions:
390 × 140 × 190mm
Length:
390mm
Width:
140mm
Height:
190mm
Approx. unit weight:
~10.6kg per block
Blocks per pallet:
120
Material:
Concrete (with recycled fly ash)
Core structure:
Hollow core with knockout sections
Characteristic compressive strength:
~15 MPa
Application type:
Structural masonry (reinforced bond beam)