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National Masonry Pavers and Blocks

National Masonry 200 Series 20.48 H Block 390x190x190mm

National Masonry 200 Series 20.48 H Block 390x190x190mm

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Lightweight hollow block with ≥15 MPa compressive strength. 390×190×190mm, 11.6kg per block. Fire-rated, acoustic performance. Hollow core allows for reinforcement and grout filling. Perfect for internal walls, external walls, and fire-rated systems in residential, commercial, and institutional projects.

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Product Application

Internal Walls
Internal Walls
External Walls
External Walls
Feature Walls
Feature Walls
Retaining Walls
Retaining Walls
Fences
Fences

PRODUCT DESCRIPTION

Concrete Grey Blocks are manufactured utilising recycled fly ash to provide a lightweight, high strength product. Concrete Grey Blocks are commonly used for construction on houses, schools, and various commercial projects.

Product features:

  • Hollow core design suitable for reinforcement and grout filling
  • Lightweight format within the 200 Series block range
  • Consistent dimensions for efficient laying
  • Concrete grey finish suitable for painting, rendering, or cladding
  • Manufactured under ISO 9001 quality assurance
  • Compatible with a wide range of acoustic wall systems

Delivery to Brisbane, Gold Coast, Sunshine Coast and Northern Rivers within 2 business days.

Delivery from Northern Rivers to our southern delivery areas (check postcode) within 5 business days.

Subject to supplier availability.

PRODUCT BENEFITS

  • Lightweight block for easier handling and faster installation

  • High structural performance with ≥15 MPa compressive strength
  • Fire-rated masonry system suitable for compliant wall construction
  • Excellent acoustic performance when used in wall systems
  • Manufactured using recycled fly ash for more sustainable construction
  • Suitable for reinforced and unreinforced masonry designs

PRODUCT SPECIFICATIONS

Block type:

Hollow lightweight concrete masonry block
Dimensions:
390 × 190 × 190mm
Unit weight:
11.6kg ±10%
Units per m² (incl. mortar):
12.5
Material:
Concrete masonry with recycled fly ash
Colour:
Concrete Grey
Minimum face shell thickness:
30mm
Manufacturing tolerance:
To AS/NZS 4455.1