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Kiilto KeraSafe +

Water- and vapour-tight KeraSafe foil for wet room waterproofing. Suitable with board and stone constructions.


Elastomer foil
PP fleece

Density/specific weight

approx. 325 g/m

Water vapour permeability

W = 2,8 x 10ˉ¹² kg/(m²Pa)
Z = 2 620 000 s/m
Sd = 71 m

Application temperature

+ 15 - 25 °C

Package sizes

1 x 30 m

Substrate humidity

Board substrate: 8 - 12% RH

Concrete- and levelling substrate:
< 85% RH M1000 when using Eco/Floor Plus
< 90% RH when using other fixing materials

Crack bridging ability

> 1.5 mm (category 3)

Layer thickness

approx. 0.5 mm


In unopened containers, above +1 °C, for 2 year.

Instructions for use

Kiilto KeraSafe+ is an elastic, water- and vapour-tight waterproofing foil. Temperature of the material, room and substrate must be normal when installing KeraSafe+ foil. Prevailing conditions such as air humidity and temperature significantly affect adhesion, drying time and the possible dimensional variation of the waterproofing foil. When installing the foil by using floor adhesive, the surface must be tiled within 72 hours after installation. Before starting the job, study the procedure guide.

Environment and safety

Avoid unnecessary skin contact and exposure with the fresh product, use safety gloves. Refer to material safety data sheet. For more information about the product and package disposal, visit