Construction measures for lightweight gypsum mortar in winter

1. In the winter period, the brick masonry project adopts the method of adding chlorine-free salt antifreeze mortar. 2. Requirements for materials:(1) Dust and snow on the surface of bricks should be cleaned before laying;(2) Cement Ordinary Portland cement is used and cannot be frozen during use;(3) Lime paste should be melted and remixed before…