Comparison Between Fly Ash Brick & Clay Brick (Red Brick)
Fly Ash Brick
- Uniform in shape and smooth in finish.
- Dense composition.
- Thickness varies on both sides of wall
- Lighter in weight.
- Compressive strength is around 100 Kg/cm2.
- Density 1700-1850kg/m^3.
- Wastage during transit less than 2%.
- Thermal conductivity 0.90-1.05 W/m2 ºC.
- Less porous.
- Water absorption 6-12%.
Clay Brick(Red Brick)
- Varying color as per soil.
- Uneven shape as hand made.
- Lightly bonded.
- Plastering required.
- Heavier in weight.
- Compressive strength is around 35 Kg/cm2.
- Density 1600-1750kg/m^3.
- Wastage during transit up to 10 %.
- Thermal conductivity 1.25 – 1.35 W/m2 ºC.
- More porous.
- Water absorption 20-25%.