Adhesion of the outside of the façade with PU foam adhesive

Since buildings need to be more energy efficient, PU foam is being used more and more for insulating façades. Around 80 percent of the façades in Germany are insulated with thermal insulation composite systems (WDVS); these EPS insulation boards need to be adhered, or screwed and adhered to the façade.

Avoiding thermal bridges with PU adhesive

Specialists usually opt for adhesion in new buildings because it is almost always certain that there will be a suitable surface for the adhesive. Adhesion is less expensive and also avoids the creation of thermal bridges caused by wall plugs.

Check the surface before renovations

When renovating, the specialist needs to check whether the existing surface is sufficiently strong and suitable for the application of an adhesive. If, for instance, the old plaster is brittle and loose and its adhesive strength is compromised, it is recommended attaching the insulation boards with additional approved plate wall plugs.

You can continue working after just two to three hours

Polyurethane adhesive foams are suitable for adhesion. The advantage of these foams is that they harden quickly and no further tools are required at the building site. After just two to three hours, work can continue on walls mounted with construction foam.

Here is more information about PU adhesive and façade insulation.

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