KERDI-COLL-L is a two-component sealant adhesive that can be used in both interior and exterior areas. It is suitable for adhering and sealing overlaps of KERDI membranes as well as tightly sealing the edges of the seaming tape KERDI-KEBA on KERDI, DITRA, DITRA-HEAT and KERDI-BOARD as well as on BARA edge profiles. This results in reliable and certified bonded waterproofing assemblies.