With advanced design, it is used for grouting or spraying pu, resin or other waterproof &leakage stoppage. The mortar spraying machine is suitable for: expansion joint leakage, settlement joint leaks, subway, tunnel leakage, leakage of dam leakage, ground level ground, cracks, empty drum reinforcement , indoor and outdoor coating, cement mortar spraying, dry mortar spraying, putty powder coating, waterproof grouting and surface spray coating, waterproof coating, grouting, smallpox spraying, wall painting, coating, landscape painting, embossment effect paint spraying, spraying, arts and crafts emulsion paint, really stone paint, spraying the rockery, sculpture painting, spraying sound-absorbing material.