Roof waterproofing with bonded membranes

1 Substructure

2 Insulation

3 KÖSTER TPO Membrane
KÖSTER TPO 2.0 F
4 Adhesive
KÖSTER 2C PUR Membrane Adhesive
KÖSTER PUR Membrane Adhesive

Full surface adhesion to the substrate offers a time-saving installation. The KÖSTER TPO Membrane features a special fleece coating on one side, which increases the bonding of the KÖSTER PUR Membrane Adhesive or the KÖSTER 2C PUR Membrane Adhesive. This results in a high adhesive strength and creates a perfect bond to the substrate.

It is important that the substrate is suitable for a good adhesive bond. If necessary, an adhesive bridge can be applied. In addition, a wind load calculation must be carried out prior to the adhesion of the membrane in order to provide information about the amount of adhesive required and the alignment of the welding seams.

The KÖSTER PUR Membrane Adhesive is applied in strips to the substrate, before unrolling the fleece-back coated KÖSTER TPO Membrane. The membrane is then firmly pressed onto the substrate using a cylinder in the same width of the membrane. This enables the adhesive to be spread evenly and help achieve uniformity of the bond. When distributing the adhesive, care must be taken to ensure that no adhesive on the welding edges is spread out.

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