Floor waterproofing leveling cementitious mortar

CLIMA ROOF KF-2 is a two component, high strength water-proofing, leveling cementitious mortar, polymer modified, suitable for sealing and protecting floors and especially flat roofs. Due to its special composition, it has excellent adhesion to thermal insulating boards CLIMA ROOF KF-XPS and in structural, metal, acrylic, polyurethane, bituminous surfaces. CLIMA ROOF KF-2 meets the requirements of EN 1504-2 as surface protection material of EN 13813 for the construction of floors as a mortar as e.g. CT-C25-F10-A3.


Mxing ratio
6Kg ClimaRoof KF-2 Latex to 25Kg ClimaRoof KF-2






45 min


25 kg



  • Instructions


To ensure good adhesion to thermal insulating boards CLIMA ROOF KF-XPS the surface should be clean, sound and free of dust, oil, lime, tar, and loose items.

» Pour CLIMA ROOF KF-2 LATEX in a suitable empty container and slowly add CLIMA ROOF KF-2 while stirring. Stir thoroughly for at least 3 to 4 minutes until a uniform mixture is created by using an electric mixer at low speed. Wait 3-5 minutes and stir again for 1 minute.
» After preparing the mixture do not add any additional water or any other fluid to correct the workability of the mortar. This will result in reducing strength and increasing shrinkage of the material.
» CLIMA ROOF KF-2 is applied by trowel with or without a pole.
» On suitably placed thermal insulating boards CLIMA ROOF KF-XPS, apply a continuous layer of CLIMA ROOF KF-2 reinforced with CLIMA ROOF KF-NET. CLIMA ROOF KF-NET must be fully immersed in the mixture and a flat surface must be made. The fiberglass mesh should over-lap at least 10cm at the joint areas. After 6-24 hours apply another one coat of CLIMA ROOF KF-2 for complete leveling. Any imperfections are smoothed using finishing trowel or stucco spatula with or without a pole.
» Immediately after application tools should be cleaned with warm water and soap or detergent solution. Once the material has set cleaning may only be carried out by mechanical means.
» Stir well before application and at regular intervals during the application.
» Do not apply at temperatures of the substrate below 5ºC and above 35ºC.
» Do not apply in case of imminent rain or under direct sunlight and strong wind.


» Stored for 12 months by the production date in its closed and sealed packages, in dry and cool condition preferably on pallets.


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