Preprufe Low Temperature (LT) Membrane (300LT) are unique composite sheets comprising a thick HDPE film, an aggressive pressure sensitive adhesive formulated for application temperatures down to 25 Degree F (-4 Degree C), and a weather resistant protective coating. Unlike conventional non-adhering membranes, the unique Preprufe bond to concrete prevents ingress or migration of water around the structure, which are vulnerable to water ingress tracking between the unbonded membrane and structure. The Preprufe LT System is designed for application temperatures between 25 Degree F (-4 Degree C) and 60 Degree F (+16 Degree C).