Table 3 Cost comparison highlighting the price difference between conventional bricks and the proposed bricks, presented in Pakistani rupees (PKR).

From: Eco-friendly bricks and tuff tiles from agricultural and industrial waste: advancing the United Nations (UN) sustainable development goals

Byproduct

Clay/byproduct replacement cost including haulage etc.

(PKR)

Labor

(PKR)

Energy

(coal, water etc.)

(PKR)

Total cost/brick

(PKR)

Total cost*/1000 bricks

(PKR)

Non-standard clay bricks

3.5

1

10

14.5

145,000

Marble powder

(MP)

1.5

1

10

12.5

12,500

Sugarcane bagasse ash

(SBA)

3.0

1

10

13.0

13,500

Rice husk ash

(RHA)

3.0

1

10

13.0

13,500

  1. *1 USD = 283.36 PKR (as of 03 September 2025).