Which cost is lower, aerated brick or red brick?

The cost of red brick is low. According to the inquiry, the residence is displayed on the Internet.

1. The manufacturing process of red brick is simpler than that of aerated brick, and the materials used are also cheaper than that of aerated brick, so the market price is cheaper than that of brick.

2. Compared with red brick, the price of aerated brick is generally lower, but the use of red brick has been banned because of its serious pollution to the environment and waste of resources.