Billions of dollars worth of infrastructure, commercial and residential projects helped boost the building material business in the Middle East, especially in the UAE, and it will continue to grow, Danube Group chairman Rizwan Sajan told Khaeej Times in an interview.World Expo 2020 has created a lot of positiveness in the UAE, especially in Dubai, Sajan said, adding that the government has announced some mega projects and the construction sector started booming again after years of a slowdown that boosted the demand for building material products.