plastering with cork Because of cork's natural moisture-regulating properties, cork mortar solves moisture problems and lowers your energy consumption In many homes, the humidity is too high.This causes condensation and mold on walls and ceilings. In addition, it causes a low sensation temperature. Cork naturally has a number of unique properties, including: Cork mortar is applied with a brush, roller, plasterboard or sprayer, in two or three coats with a total thickness of 2-3 millimeters. Moisture and poor insulation cause an unhealthy indoor climate, fluctuating temperatures andhigh energy consumption. Cork mortar is moisture regulating, insulating and provides a healthier indoor environment. It lowers your energy bill, and it's also very decorative.