Ash Grey Blocks & Bricks

Great prices. No hassles.

We are the leading manufacturer & retailer of Grey Blocks

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.

Choosing the right Concrete Grey Block 

Before selecting, you should ensure this product meets your projects requirements. Certain Concrete Grey Blocks are lightweight, heavy duty and/or fire rated. Please check the Additional Information. Please consult National Masonry™ if you are unsure on the best Concrete Grey Block for your construction needs.



Website ImageProduct CodeProduct NameDimensionsWeight per unit (kg)Units per palletFire RatingMPANotes
10.01Standard390x190x9012149FRL = 60(ƒ’uc > 10MPa)
10.02Three Quarters290x190x908.7192FRL = 60(ƒ’uc > 10MPa)
10.03Half190x190x905.7252FRL = 60(ƒ’uc > 10MPa)
10.12Bond Beam390x190x9010.1108FRL = 60(ƒ’uc > 10MPa)
10.71Standard Half Height390x90x905.6300FRL = 60(ƒ’uc > 10MPa)
10.201Back-up hollow390x162x9010.1172FRL = 60(ƒ’uc > 10MPa)
10.331FRFire Rated Solid390x190x9013.3139FRL = 180(ƒ’uc > 8MPa)
10.332FRFire Rated Solid Three Quarter290x190x9010.5192FRL = 180(ƒ’uc > 8MPa)
10.333FRFire Rated Solid Half Length190x190x906.8252FRL = 180(ƒ’uc > 8MPa)
10.334FRFire Rated Solid Quarter Length90x190x903.5504FRL = 180(ƒ’uc > 8MPa)



Website ImageProduct CodeProduct NameDimensionsWeight per unit (kg)Units per palletFire RatingMPANotes
12.401FRFire Rated Reduced Core390x190x11013.1120240 minutes(ƒ’uc > 8MPa)1 in 5 = Universal
(Bolster 1/2 or 3/4)



Website ImageProduct CodeProduct NameDimensionsWeight per unit (kg)Units per palletFire RatingMPANotes
15.42UNVChannel390x190x14012.8120(ƒ’uc > 15MPa)
15.02AGThree Quarter290x190x14010.3128(ƒ’uc > 15MPa)
15.03AGHalf190x190x1407.2192(ƒ’uc > 15MPa)
15.22AGSeven Eighths340x190x14011.9108(ƒ’uc > 15MPa)
15.12AGLintel390x190x14015.796(ƒ’uc > 15MPa)
15.71AGStandard Half Height390x90x1407.5216(ƒ’uc > 15MPa)
15.48AGH Block390x190x14013.5120(ƒ’uc > 15MPa)
15.83AGSolid Half Height390x90x14010.6168(ƒ’uc > 15MPa)With Frog
15.85AGSolid Half Height 1/2 Length190x90x1405.5336(ƒ’uc > 15MPa)With Frog
15.01FRFire Rated Standard Hollow390x190x14011120120 minutes(ƒ’uc > 8MPa)
15.02FRFire Rated Three Quarter290x190x1409.1128120 minutes(ƒ’uc > 8MPa)
15.03FRFire Rated Half190x190x1406.1192120 minutes(ƒ’uc > 8MPa)
15.22FRFire Rated Seven Eighths340x190x14010.7108120 minutes(ƒ’uc > 8MPa)
15.321FRFire Rated Backup Cored340x162x14013.0120120 minutes(ƒ’uc > 8MPa)
15.20LWSLight Weight Structural 390x190x14011.3144120 minutes(ƒ’uc > 15MPa)1 in 4 = Universal
Closed Ends
15.02LWSLight Weight Structural Three Quarter290x190x1409.4128120 minutes(ƒ’uc > 15MPa)
15.03LWSLight Weight Structural Half190x190x1406.3192120 minutes(ƒ’uc > 15MPa)
15.22LWSLight Weight Structural Seven Eighths340x190x14011.6108120 minutes(ƒ’uc > 15MPa)
15.401FRFire Rated Reduced Core390x190x14015.9120240 minutes(ƒ’uc > 8MPa)



Website ImageProduct CodeProduct NameDimensionsWeight per unit (kg)Units per palletFire RatingMPANotes
20.42UNVChannel390x190x19013.9108120 minutes(ƒ’uc = 15MPa)
20.02AGThree Quarters290x190x19013.796120 minutes(ƒ’uc = 15MPa)
20.03AGHalf190x190x1908.9144120 minutes(ƒ’uc = 15MPa)
20.01AGStandard390x190x19015.590120 minutes(ƒ’uc = 15MPa)
20.71AGStandard Half Height390x90x1907.0162120 minutes(ƒ’uc = 15MPa)
50.31Patio 190x390 (Capping Tile)390x40x1906.9216120 minutes(ƒ’uc = 15MPa)
20.12AGLintel Bond Beam390x190x19021.872120 minutes(ƒ’uc = 15MPa)
20.48AGH Block390x190x19014.290120 minutes(ƒ’uc = 15MPa)
20.20LWSLight Weight Structural Knockout Bond Beam390x190x19012.8108120 minutes(ƒ’uc = 15MPa)1 in 3 blocks are Universal 2 Closed Ends
20.02LWSLight Weight Structural Three Quarter290x190x19012.796120 minutes(ƒ’uc = 15MPa)
20.03LWSLight Weight Structural Half Length190x190x1908.3144120 minutes(ƒ’uc = 15MPa)
20.401FRFire Rated Standard Hollow390x190x19014.990120 minutes(ƒ’uc = 15MPa)



Website ImageProduct CodeProduct NameDimensionsWeight per unit (kg)Units per palletFire RatingMPANotes
30.48H Block390x190x29019.672(ƒ’uc = 15MPa)
20.02AGHalf and End390x190x29013.796(ƒ’uc = 15MPa)
10.332FREnd Closer / Capping290x190x9010.5192FRL = 180(ƒ’uc > 8MPa)
30.01Standard390x190x29020.572(ƒ’uc = 15MPa)



Website ImageProduct CodeProduct NameDimensionsWeight per unit (kg)Units per palletFire RatingMPANotes
B1B1 Render Brick230x110x763.845090 minutes(ƒ’uc = 10MPa)1 in 7 is solid
Sold in Full Pallets Make Up Fee for
Part Pallets
QBQuick Brick230x110x1626.825090 minutes(ƒ’uc = 10MPa)Sold in Full Pallets Make Up Fee for
Part Pallets

Concrete Grey Blocks Delivery Areas

All our Concrete Grey Blocks and accessories can be picked up or we can deliver to the following areas:

Victoria

Melbourne, Geelong, Mornington Peninsula, Bellarine Peninsula, Ballarat, Bendigo.

Don’t see your location here? Contact us to find a reseller near you.

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Pallet Pickup

We'll come and pickup the pallets. Either call us or use the pickup form.

Contact Us

Need design help, or a quote? Simply give us a call for more information.