Restoration of external face of 3-layer external walls of commercial building - by cleaning and preforming external surface and new layer is then bonded on

摘要

The restoration process requires the existing surface to be fitted and any cracks or fissures filled flush. The light, thermally efficient layer is then bonded to this clean surface to provide a new external layer. Joints may be cleaned out and heat insulating material may be packed into the joints. After the joints have been made good, a surface finishing layer may be applied. USE/ADVANTAGE - Renovation procedure for external sandwich walls of building.