Prevent damage
A nightmare for every homeowner is damage that can arise from the vegetation on facades. With good preparation and the right choice of plants, worries are unfounded, because negative effects occur through incorrect implementation and on already damaged substrates on.
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Strong twists
Some plants are characterized by a strong growth in thickness. This group includes tree shrugs, Knotweed and wisteria. They wrap around and grow behind components and can literally crush and break them off. To prevent such damage, you should ensure that there is sufficient space between the climbing aid and the facade. In most cases, a distance of 50 to 100 centimeters is sufficient. You can be absolutely sure with a space two meters wide.
Self climber
Some plants develop special adhesive organs with which they attach themselves to the ground. Ivy is the classic representative of this group. The plant leaves behind unsightly residues when the greening is removed again. With emulsion paints and damaged surfaces, there is an additional risk, because the climbing plants can peel off plaster and paint. Lime cement plaster of DIN standard 18550 is recommended, because it can withstand vegetation.
Light fleeing
This category has a special position, because both strong twists and self-climbers can turn out to be negative phototropic. Their shoot tips grow into dark cracks and crevices, where they cause massive damage to the structure. Roller shutter boxes and ventilation openings as well as facade cracks are endangered by such plants. Before choosing plants, check whether the wall of the house could pose any such hazards.
Advantages of facade greening
Plants don't just make a monotonous wall disappear behind a dense foliage. They also add color and increase the biodiversity in the garden. But they also prove to be positive for the building itself:
- dense foliage acts as a weather mantle
- Roots remove water from the soil and keep the foot of the wall dry
- Foliage intercepts street noise
- Vegetation prevents house walls from heating up excessively in summer
- impenetrable branches protect facades from cooling down in winter