Wall Fireproof Paint Spraying Mahcine DY-RPT30 mortar pump is suitable for pumping and spraying the wet ready-mixed mortar witch is pumpable, such as Cement mortars, Lime plasters, Gypsum plasters, Masonry mortars, Insulating plasters, Self-leveling floor screeds, etc. Aplication: All pumpable wet ready-mixed mortars or materials, such as Cement mortars, Lime plasters, Gypsum plasters, Masonry mortars, Insulating plasters, Self-leveling floor screeds etc.