What Is Cement Mortar Double-sided Composite Rock Wool Board

Cement mortar double-sided composite rock wool board is a type of insulation board that is made by combining rock wool with cement mortar on both sides. 

It is commonly used in construction as an insulation material for walls, roofs, and floors. The board is lightweight, fire-resistant, and has good thermal insulation properties. 

It is also easy to install and has a long service life.