Wood pests - wood and its enemies

Wood pests - wood and its enemies: wood

Wood and his enemies

Wood pests - where do they come from? Wood is one biological building material that grows and passes in the cycle of nature, Wood lives. Humans feel comfortable in the environment of this living material.

Whether at the architectural design, garden design or interior decoration, Wood gives us the feeling of being close to nature. Living with wood gives warmth and comfort.

This is certainly an important reason why Wood claims against the modern competition of concrete, steel and plastic Has. Wood is just unique and unmistakable. Due to the rising natural need of man, it is more in demand today than ever.

in the dry wood used indoors is hardly affected by plant or animal pests infested and is also exposed to the weather. To preserve the beauty of the wood in the dry living area, recommends a nourishing refinement without active ingredients against wood destroyer.

Like all living organisms on Earth, wood also has natural enemies: Weather (rain, sun), fungi and insects, Wood outdoors is particularly exposed to these dangers.

UV rays and water cause the graying of the wood surface - the wood weathers. Plant and animal wood pests, such as Mushrooms and insects build the wood continuously from destruction.

In order to protect wood against such influences, man must intervene in this cycle of nature. Only then can the Wood damage can be prevented by natural enemies, Intensive protection is achieved with the help of products containing selected, carefully dosed active ingredients.

Prevent wood damage

Wood pests - wood and its enemies: enemies

Protect wood with paint, varnish or varnish

In order to protect wood from damage, it must be sensibly protected. The market offers do-it-yourselfers a variety of wood protection products. Professionals know: It is not appropriate to always reach for the "chemical club".

There, where that Risk of fungal infestation is inevitable, is chemical wood preservation necessary. Whether and which is then used depends above all on the type of wood.

Where: chemischer wood protection is unavoidable, then it must be able to work also in the woodbecause on the wooden surface it makes no sense. This is exactly the basic principle of the wood refining specialist Dyrup.

Because goal must always be: As much protection as possible, as little chemistry as necessary. The classic chemical (biocide-containing) wood preservative is used only where it is needed. In the outdoor area at bläuegefährgefährdeten woods such as softwood and certain precious woods.

For this first System component, there are colorless primersthat penetrate deeply into the wood. They contain no color pigments that could clog the wood pores - the protection is thus more intense than with the all-round products.

The missing color pigments also mislead the consumer not for the misuse of the biocidal products in the interior, where he can completely do without this type of wood preservation.

On the wooden surface acts as second component a colored coating as a physical protective layer that is biocide-free or, depending on the requirement, is low in biocides. Of course, taste issues also play a role when it comes to whether the wood is treated with a wood stain, paint or varnish.

Whatever the consumer decides, this second system level always guarantees: Protection of the wood against damaging effects of UV radiation through the sun and before rain, And: The surface protection covers the ingredients of the depth protection.

Application of glazes

One of the characteristics of a glaze is that the Painting transparent pigments are added. Harmful UV radiation is reflected or absorbed, The natural grain of the wood, however, shines through. The structure of the wood is thus pleasant to wear.

The range of different shades in the glazes is large. In the Color decision is to be considered but the natural wood tonebecause it influences the final color.

Application of wood colors

With the use of wood colors - in contrast to the glazes - an opaque paint is achieved. The Color film is completely interspersed with pigmentsso that the underground does not show through. All the striking light is reflected. The Wooden background in the outdoor area is therefore not reached by harmful UV rays.

Application of paints

Paints are used wherever strong or satin glossy surfaces desired and wood surfaces must be particularly resistant. This applies, for example, to windows and furniture. Again, different tones are offered.

Otherwise applies to the selection of products: on the particular scope is to be respected, so only used as many active ingredients as needed - only at endangered softwood in the outdoor area. After that, there are no limits to the imagination.

Wood damaging mushrooms

Real dry rot

Wood pests - wood and its enemies: pests

dry rot

Endangered species or components: Mainly found on softwood. He requires a wood moisture of about 20 - 30%, Wood-free stretches are overgrown or overgrown (mortar joints).

He can be in his Strands guide water and therefore also on dry wood spread.

Damage detection: The white, cotton-like mushroom-weave (mycelium) grows on the surface and inside the wood. Characteristic are the gray, fragile strands (up to one centimeter thick) in the dry state.

In case of advanced infestation reddish-brown, white-rimmed, flat-like fruiting bodies formed to a diameter of one meter. Occasionally yellow colored areas may appear.

Keller sponge

Wood pests - wood and its enemies: wood

Keller sponge

Endangered species or components: Affects coniferous and deciduous wood. Only attack damp wood (about 30 - 60% wood moisture), Occurrence therefore mostly limited to basements and near the ground built timber.

Damage detection: The surface mycelium of the basement sponge is colored yellow-brown. The Strands are brown-black and root-shaped, Its yellowish fruiting bodies have characteristic, wart-like elevations (wart sponge).


Wood pests - wood and its enemies: pests


Endangered species or components: Predominantly on conifers. Prefers very humid wood, therefore on outdoor components (Fences, masts, balconies) very common.

The leaves are the most common mushrooms on windows. Even longer dry periods can survive in "dry rigidity".

Damage detection: The beige to brown colored mycelium only grows inside the wood, The infestation is therefore usually recognized very late. The fruiting bodies grow like bars or consoles from wood columns.

When fresh, they are reddish with brighter margins. Later they will dark brown to blackish. Striking are the clearly visible slats.

Wood pests - wood and its enemies: pests



Endangered species or components: Stronger blue growth occurs only in softwood. The Bläuepilze live only on the cell contents, the wood substance is not or only slightly attacked. These Mushrooms grow only in very damp wood.

Damage detection: The dark colored mycelium causes the discoloration of the wood.

The small, often bottle-shaped fruiting bodies break through and destroy lacquer and color films. Stronger bluish fall causes a higher receptivity of liquidsSo also wood preservatives.

Wood-damaging insects

Wood pests - wood and its enemies: wood



Endangered species or components: The domestic goat beetle is in the temperate zones the most dangerous pest at the timber. It mainly attacks softwood and lays its eggs in resulting cracks. The larvae prefer to eat in the outer layers.

Damage detection: The holes of the housebuck are oval (5 - 10 mm). The Beetle generations hatch in perennial Intervals.

For safe detection, the wood examination includes: striking (dull sound). Bending the edges to expose the feeding paths. You are just below the surface and are covered with light cornflour filled.

Wood pests - wood and its enemies: enemies

Common bug beetle

Common bug beetle

Endangered species or components: The common scarab beetle infests very well many deciduous and coniferous species, nucleated wood but only in the sapwood or in a tattered condition.

Endangered are construction timbers (Truss, ceiling beams over the basement, stairs, fixtures and furniture), especially at high wood moisture and moderate temperature.

Damage detection: The numerous round loopholes (1 - 2 mm) of this rodent beetle perforate the wooden surface. The irregularly running feedings are with drill dust and filled with small Kotbällchen.

Brown sapwood beetle

Wood pests - wood and its enemies: wood

Brown sapwood beetle

Endangered species or components: The brown sapwood beetle was with tropical woods, u. a. Limba, Abachi introduced, but also destroys native hardwood (eg Eichensplint, ash, Rüster). The The most frequent infestations are cladding, moldings, parquet floors, furniture.

Damage detection: The diameter of the round loopholes (1 - 1.5 mm) is similar to that of the bug beetle. The feeding passes predominantly in the direction of wood fiber and are powdered with powder clogged.


Wood pests - wood and its enemies: enemies


Endangered species or components: Hatching wasps, with fresh lumber (softwood) brought into the building, wood-based substances can, z. B. sealing material of flat roofs, roof sheeting, lead covers, carpets, etc. durchfessen.

Damage detection: The Diameter of the round loopholes is about 4 - 7 mm.

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