Mortars for damp proofing and decoration; mortars for repairing structural concrete and special applications; impermeable flexible coatings for roofing of buildings, facades, facing of interiors and exteriors of buildings, waterproofing of water tanks, swimming pools, purifying plants and underground plants; liquid additives for improving joints and curing mortar and concrete; construction materials, namely, mortars for damp proofing and decoration, mortars for repairing structural concrete a...