Fly Ash Bricks

Fly ash bricks are pressed from fly ash, sand, lime and gypsum and cured rather than fired. Because they come out of a mould, they are far more uniform than kiln bricks — which shows up directly in mortar and plaster consumption.

They are also an environmental win: they divert thermal-plant waste and avoid the topsoil loss and coal burning of a traditional kiln, which is why several states now mandate their use within a radius of power plants.

Typical units: piece, 1000 nos. Usually priced close to clay bricks per piece, but cheaper once plaster savings are counted.

• Internal and external walls
• Partition and infill walls in framed structures
• Boundary walls
• Multi-storey load-bearing walls where strength grade permits

Class 7.5 / 10

Compressive strength in N/mm²; 7.5 and above suits load-bearing walls.

Standard size

230×110×75 mm and modular variants with tight tolerances.

Solid / hollow

Hollow variants reduce dead load and improve thermal performance.

• Ask for the compressive strength test report — this is the single number that separates a good fly ash brick from a chalky one.
• Check the edges and faces. Consistent size is the whole point; if the batch varies, the plaster saving disappears.
• Fly ash bricks need less soaking than clay bricks — sprinkle rather than immerse, or the mortar bond suffers.
• Compare landed cost per square metre of finished wall including mortar and plaster, not per brick.

• Verified suppliers only — every shop is checked before it can list.
• Live per-unit rates you can compare across suppliers in your city.
• GPS-tracked delivery from dispatch to site gate.
• GST invoices and digital payment records for every order.

Browse live listings to compare rates from verified suppliers in your city, or read how ordering works.

• Bricks
• Concrete Blocks
• Cement
• Sand