What is the difference red brick and flyash bricks

Question

Accepted Answer

Red bricks are made of clay and are traditional while fly ash bricks are made of fly ash and are eco-friendly.

Red bricks are made of clay while fly ash bricks are made of fly ash, a waste material from thermal power plants.
Fly ash bricks are lighter in weight and have better thermal insulation properties than red bricks.
Red bricks are more porous and absorb more water than fly ash bricks.
Fly ash bricks are eco-friendly as they use waste material and require less energy to produce.
Red bricks are traditional and have been used for centuries while fly ash bricks are a relatively new invention.
Fly ash bricks are cheaper than red bricks due to their manufacturing process.

Accepted Answer

Fly ash bricks are of cement color while the colour of Clay bricks differs from burnt red to light brown depending on the type of clay used for manufacture of the bricks.
Fly Ash bricks are cast in moulds hence are always of uniform shape. Clay bricks are handmade causing slight difference in their shape and size.
Fly Ash bricks have a very smooth finish hence plaster is not required on the bricks to create a smooth surface. Clay bricks require plastering.
Clay bricks are more porous than Fly ash bricks.
Fly ash bricks are lighter in weight and less costly than Clay bricks.

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