Single-component polyurethane primer for waterproofing and strengthening cementitious screeds. APPLICATION • Strengthening of cementitious screed with poor mechanical resistance due to lack of binder or nonsuitable curing • Waterproofing of screeds (with 5% max. humidity) before parquet installation • Anti-dust treatment for cementitious and anhydrite screeds with inconsistent surface COLOURS Brown PACKAGES 10 kg drum