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Old building renovation  Building physics | Moisture protection | Construction | Ecologically building | Imprint

6.4. Paper

With a high humidity, mold-damages to different paper-types can appear. This is marked by showy discoloration and a musty musty smell. Come from Alternaria and Cladosporium-Arten the gray-black discoloration on wallpapers. The necessary atmospheric humidity is with over 65 per cent. This is favored by defective ventilation, too dense paper-stack or if these are stored in metal leaves. This of the composition of the paper is just as dependent through additions of albumin - and amylaceous glue-substances.

In the picture 6.4.2. if the destruction is recognizable for the wallpaper at the outside-wall over the floor. Here condensation refined whatever was still favored by construction-dampness after the financial recovery. In the case, the space was heated by the warmer ambient air of another room in the winter. So, the relative humidity rise in the primordium 4 to very clearly recognize, if the temperature of the air sinks. In principle, every space is to be heated independently and if it is used only for the regulation of the space-temperature.
TapeteIn the picture 6.4.3. if one piece is shown a woodchip wallpaper. With the brownish stain, molds don't act separates about a small need-fruit-body of the real house-sponge. On the rear respectively on the finery is one point, from this, clearly visibly light Mycel branches evenly into all the direction and forms a county roughly. Only with bigger Mycel, other characteristics more clearly occur. Molds against it don't have such a distinctive Myzel.


Form 6.4.3.: Need-fruit-bodies of real house-sponge on one piece Raufasertapete [46]


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