Sand is the most abundant ingredient in the mix. The powdered cement and lime are the glue that holds the sand together and allows the mortar to bond to each brick (or concrete block, stone or other ...

A mortar made from recycled plastic and silica aerogel which improves insulation and reduces plastic waste has been developed ...

"Your material hopper has strike gates that control the volume of the sand and rock that enter the mix," says Horning. "Your cement has a constant flow and you change your mix design by the amount ...