Gluing in outdoor areas or damp spaces can be a difficult matter. Thus is caused by dampness between layers. The damp gets between the surface, for example tiles, and the adhesive. As a consequence, the bonding detaches and the tiles fall off. But a closer look at a spider's web shows that adhesives and dampness can get along well with one another. As researchers at the University of Akron in the USA have discovered, the adhesive which the spider distributes on its web consists of three elements: two glycoproteins (consisting of amino acids and sugar molecules), a collection of low-molecular organic and inorganic compounds (hygroscopic molecules), and water.
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