https://borgenproject.org/affordable-housing-for-ghana

Nelson Boateng is the person behind a company called nelplast which is producing this product.

Below is a similar company from Columbia

A Colombian man struggling to build his own home helped create Lego-like bricks from recycled plastic; by 2015 the system was sheltering 42 displaced families and could build a 40-sq-m home in 5 days – The Times of India

A Mexican entrepreneur began melting discarded plastic into wall and roof panels; within three years his startup had built 500 rooms and secured contracts for 300 homes – The Times of India