... watertightness 5. Mould proof, Anti-alga SaiLi Elastic Exterior paint Features:1. Good watertightness2.Anti-acid3.0Alkali-resisting4.Mould ... proof, Anti-alga5. Release the moisture inside the wall, stop external moisture vapor intrusion6.Good elasticity and elongation ... rift and prevent the possible metope craze. Applied to:Exterior wall, office building, Villa, Apartment , concrete, cement mortar and ...