Superlite block larger but lighter because it is combination of sand%2C cement and volcanic scoria Role of Superlite in post-war Phoenix often forgotten%2C but has enhanced city economy more than 70 ...

There's a chance that the concrete fence in your backyard could be partially made out of materials from volcanoes. In 1944, three Arizonans invented a new type of concrete block, the Superlite block.

Phoenix-based Quality Block and Superlite Block will donate to the East Valley Institute of Technology’s School of Construction. Superlite donated more than $5,000 worth of equipment for the ...