
Product Application
Residential & Commercial
Retaining Walls
PRODUCT DESCRIPTION
National Masonry manufactures concrete masonry products for residential, commercial and landscaping construction in Australia. Its Grey Block range includes standard and specialised masonry units designed for a variety of structural and general building requirements. Concrete Grey Blocks incorporate recycled fly ash and are available in multiple series and configurations to support different masonry construction needs.
Features:
- Deep channel concrete masonry configuration
- Biscuitless knockout design
- Natural Grey concrete appearance
- Purpose-designed bond beam profile
- Part of the National Masonry 200 Series
- Designed for incorporation into reinforced masonry wall systems
PRODUCT BENEFITS
-
- Knockout configuration allows the block to accommodate reinforcement within masonry walls
- High-strength concrete construction supports structural masonry applications
- Recycled fly ash content reduces reliance on conventional raw materials
- Integrates with other 200 Series units for coordinated masonry construction
- Suitable for a broad range of residential and commercial building projects
PRODUCT SPECIFICATIONS
National Masonry 200 Series 20.20A Deep Channel (Knockout Bond Beam)
Product code:
20.20A
Series:
200 Series
Block type:
Deep Channel Biscuitless Knockout / Knockout Bond Beam
Dimensions:
390 × 190 × 190mm (L × H × W)
Length:
390mm
Height:
190mm
Width:
190mm
Average unit weight:
12.6kg
Units per pallet:
108
Material:
Concrete
Composition:
Manufactured using recycled fly ash
Colour:
Natural Grey
Characteristic unconfined compressive strength:
15MPa
Durability class:
Exposure Grade