Dilatation and Joint Waterproofing

Waterproofing of Dilatations and Moveable Joints 

The products used in waterproofing of building dilatations and movable joints are special ones resistant to permanent elastic and mechanical force. In addition to elasticity, UV resistance, mechanical resistance and easy repairability, such features as suitability for drinking water and constant water contact are also sought in the products used. 

KÖSTER product rage contains dilatation waterproofing products that can be applied on wet or dry dilatations, suitable for usage in external facade, can accommodate movements between different materials and have many different features. 

KÖSTER product range has the following products:

Single-component and polyurethane-based mastics - KÖSTER PU-Flex 25 - click...

Two-component and polysulfide-based mastics  - KÖSTER Fugenspachtel FS-H and Fugenspachtel FS-V

Dilatation bands - KÖSTER Flex Band - click...

Polyurethane joint filler for wet dilatation joints - KÖSTER KB Pur Gel - click...

Waterproofing Details of Dry Dilatations with Mastic:

Waterproofing Details of Dry Dilatations with Band: 

Waterproofing Details of Wet Dilatations with Grouting System: