for the past eight years and in 2005 was the top selling distrributor in the U.S. Eco-Block is an insulated concrete form that is stacked, braced then poured with concrete. After...A & W Concrete Ready Mix Who We Are Photo Gallery Contact Us A & W Construction & Development: Who We Are ... A & W Construction & Development has been a distributer of Eco-Block... the concrete has cured, the braces are then removed and the building is ready for further construction. The insulated panels that are on the wall stay in place to provide insulation...