Waterproofing of balconies and terraces with cold applied self adhesive membranes

A fast and easy method for waterproofing balconies and terraces is using the cold applied self adhesive KÖSTER KSK waterproofing membranes.

The solid and clean concrete substrate is primed with KÖSTER KBE Liquid Film which provides an excellent bond between the concrete and waterproofing layer.

A fillet in the wall-floor-junction can be installed by using KÖSTER Deuxan, (leg length 2 cm).  Alternatively, before priming the substrate a fillet made of KÖSTER WP Mortar is applied (leg length 5 cm).

The standard area waterproofing is done with KÖSTER KSK SY 15. The waterproofing membranes are simply bonded onto the prepared substrate and overlapped min. 10 cm on each side.

If the waterproofing is applied vertically onto a wall, the waterproofing membrane is mechanically fixed. Connections and overlaps are sealed with KÖSTER BS 1 Bitumen Paste. If the top end of the waterproofing is to be plastered, it can be covered with KÖSTER Butyl Fix-Tape Fleece.

A screed protects the waterproofing against mechanical damage. A gliding layer consisting of 1 layer of PE-foil is installed under the screed.

Always adhere to the specifications in the respective Technical Guidelines.

 

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