The bricklayer didn’t want to pay to have sand transported great distances if he didn’t have to. One exception might be if you live in Cincinnati. The best ... mortar. The patient person mixes ...

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

They developed the cement mortar mix by replacing sand with silica aerogel and recycled PET plastic which they then showed improved thermal insulation and weighs less. Aerogels are known for their ...