Sikagard 550 w elastic is a 1 part anti carbonation plasto, Elastic coating based on uv, Curing acrylic dispersion with excellent crack, Bridging properties even at temperatures below 0 c. Usesanti carbonation protection and enhancement of concrete structures normal and lightweight concrete, Especially exposed concrete surfaces with a risk of cracking. Also used with concrete repair works as an elastic protective top coating on sika mortar thin layer levelling mortar. Advantageshigh diffusion resistance against co2 reducing the rate of carbonation. Crack, Bridging even at low temperatures, 20 c water vapour permeablevery good resistance against weathering and ageingcan be diluted with waterenvironmentally friendly solvent free reduced tendency to dirt pick up and contamination