Skip to product information
1 of 1

National Masonry Pavers and Blocks

National Masonry 200 Series 20.42 Channel Block 390x190x190mm

National Masonry 200 Series 20.42 Channel Block 390x190x190mm

1 total reviews

Prices From: $3.29

$3.29 $4.82 $4.09 $3.40 $0.00 $3.77

Tax included. Sale Available

Sorry, this is not available to your area.

Please enter your postcode to view pricing.

Lightweight yet strong hollow block for versatile construction! Channel-style design. 390×190×190mm, 14.6kg per block. Made with recycled fly ash. Suitable for rendering, painting, or exposed finishes. Perfect for internal walls, external walls, retaining walls, fences, and landscaping in residential and commercial projects.

View full details

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 allows for core-filling and reinforcement if needed
  • Channel-style hollow configuration provides versatility in construction
  • Standardised format compatible with other 200 Series blockwork components
  • Neutral grey finish that complements rendering, cladding, or exposed masonry finishes
  • Durable concrete construction for long-term performance

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 but strong block for ease of handling and faster installation

  • Suitable for a wide range of residential, commercial, and backyard structural projects
  • Can be rendered or painted to suit aesthetic requirements
  • Recycled fly ash mix supports more sustainable construction practices

PRODUCT SPECIFICATIONS

Dimensions:

390 × 190 × 190mm
Weight per unit:
14.6kg
Colour:
Natural Grey / Grey
Block type:
Channel-style hollow concrete masonry block
Material:
Concrete block with recycled fly ash for lightweight high strength
Typical construction class:
Concrete Grey Blocks for general-purpose use