The clay blocks are bigger (from 1 to 2 blocks less per m2) than the cement blocks (in Ecuador).
The clay blocks are lighter; they allow for better movement and save in workforce.The flat clay blocks are not plaster, allowing us to save money on that.
The ‘visto’ blocks give a touch of elegance and beauty. It refracts temperature, thermal isolation, it doesn’t allow heat or cold to pass through, minimum adsorption, and is impervious to noise (acoustic).