Parging repairs should be carried out at the earliest stage when cracks or other deterioration occur. Delay causes a higher chance of water intrusion and structural destruction. The best prging company will examine the walls of the foundations before they are damaged. It must be completed in moderate weather. Prefer spring to early fall, when temperatures are not below the freezing point, so that the curing works properly. Without control, they can lead to the destabilization of insulation, attractiveness to pests, or internal leaks.