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Treatment frames
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 The control of the frame wood
This one is a business of specialists and rigour which implies and determines the way in which it will be necessary to consider the treatment of your frames.
This diagnosis will determine the need for an essential treatment or not (curative Treatment) (Preventive medication)
Treatments:
Treatment of frame against the parasites, by injection and pulverization.
The estimate:
Our controls and our estimates are free and do not engage in any way those which wish them. [free estimate]
Parasites:
1 - Insects:
There are two categories, the insects Xylophages (Capricorn, Lyctus, Vrillette…) and social Insects (Termites)
2 - Mushrooms:
Mérule, Mycelium or hyphas traverse the mass of wood attacked while following the cavities of the cells, by perforating the walls to pass from one cell to the other
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The parasites which threaten your habitat
Capricorn:
Xylophagous insect which nourishes itself of wood (Maritime pine, Pin laricio, black Pin of Austria, woodland Pin, Mélèze, Epicea, Sapin)
treatment of the Capricorn, Hylotrupes Bajulus
From flattened form, its color varies brown black with the brown yellow. The Capricorn is a winged insect which can move at long distances. Its size is from 10 to 20 mm and its lifespan is from 1 to 2 weeks.
The Vrillette Gross:
(Xestobium rufovillosum) Insect with Xylophagous larva.
treatment against the vrillette, Vrillette (Xestobium Rufovilosum) has a squat form, sacoulor varies brown red with brown dark, its size is surroundings 2 to 4 mm for small Vrillettes, and from 6 to 9 mm for the Vrillettes Grosses.
They have one lifespan from 3 to 4 weeks. There exist two varieties of Vrillette: the Vrillette Gross, small Vrillette
Termites:
The termites living in colony under the ground, the infestation generally starts with the basements.
treatment of the termite, the termites are insects of the hot areas which were acclimatized to the moderate zones: in particular South-western and South of France.
These insects flee the light, they nourish themselves at the expense of cellulosic feedstocks: wood, papers, fabrics, mothers roots of alive plants (cabbages, géraniums) by digging galleries inside the ground and of the materials which they destroy.
When they meet materials compact, they can build made tubular ground galleries and dependent excrements.
All the galleries are free of worm-hole, which distinguish them from those of the other insects of wood (Capricorn, vrillette, lyctus). The caused damage is thus not apparent.
Lyctus:
(Lyctus Brunneus)
treatment lyctus, Lyctus has a form narrow and lengthened its color varies brown red with brown dark.
Mushrooms:
Mérule:
Mushroom of the houses
treatment of the mérule, Mérule is a mushroom which nourishes cellulose of wood. It develops very quickly in the wet and badly ventilated houses. The cities touched by this mushroom are increasingly numerous
Conditions of development:
A certain moisture of the substrate (20 to 40% for wood), a space non-ventilated and a room temperature lower than 25°C, support the development of Mérule. It can progress up to 12 cm per week.
Consequences:
Mérule touches initially the plinths, then the floors, the partitions, the ceilings in the wet parts. Gradually the woodwork rots, weakens and the risks of rupture increase. Often, it is only when wood is completely attacked and fall in dust, that one realizes his presence.
Treatment:
Contact a specialist before it is too late.
The mushroom Serpula lacrimans, better known under the name of mérule of the houses, is described as lignivore because it nourishes cellulose of wood.
The damage which it causes with wood was worth the other name of dry rot to him: wood becomes brown, breakable and it splits up in cubes. The favorable conditions with the starting of the mérule of the houses are: a certain moisture of the substrate (20 to 40% for wood), a space non-ventilated and a room temperature lower than 25°C.
This mushroom reproduces by microscopic spores finding themselves in the air or clinging to clothing or the animals. The spores germinate in filaments (or hyphas) which tangle up to form a padded mass called mycelium.
It is the mycelium which nourishes wood, thus causing its destruction. Gradually the woodwork rots, weakens and the risks of rupture increase.
The last developmental stage of mushroom, called carpophore, with the aspect of a “crepe” brown-rust sometimes bordered of white and relatively consistent. It is of this carpophore that the spores are released.
Its propagation can be made through masonry (without degrading it) to find woodwork on other side. Even if wood is dry, water is transported through the network of filaments, the mérule thus does not remain not confined the wetland.
The mérule develops in the darkness (behind the plinths, in the ceilings, under the floor coverings) and, often, it is only when wood is completely attacked and fall in dust, that one realizes his presence.
In adverse conditions, the mushroom does not die but enters in latency period and is ready with redévelopper as soon as the conditions of moisture and temperature are again favorable.
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 MUSHROOMS
The mushrooms are plants Cryptogames (primitive plants not producing neither flower, neither fruit, nor seed, like the ferns, the algae, foams)
Deprived of chlorophyl, they have neither root, neither stem, nor sheet. Their vegetative apparatus is called thallus. It is an agglomerate of microscopic filaments whose aspect varies according to the species. Their multiplication is assured either by growth and division the thallus, or by emission of the spores differentiated according to the species.
The mushrooms, or Mycophites, are divided between Siphomycetes of which filaments or hyphas are not partitioned, and Septomycetes whose hyphas are partitioned.
The division of the septomycetes contains the classes of Ascomycetes and Basidiomycetes, from where most of lignicolous mushrooms is resulting. In the professions of wood, one divides mushrooms artificial categories which are related neither to the systematic one, nor with the morphology of the organizations, but with the types of dégats that they cause.
One considers mushrooms thus of:
- Fibrous Rot
- Cubic Rot
- Soft Rot
- Alveolar Rot
- Blueing
- Moulds
Ecology of lignicolous mushrooms
Fundamental needs
Nutrition
The mushrooms are heterotrophic organizations, because not having chlorophyl, they cannot work out carbonaceous matters (sugar, grease,…) starting from atmospheric CO2. For their nutrition, they must thus live products synthesized by other organizations which they absorb through the wall of their vegetative apparatus (absorbotrophie).
Moisture
The optimal rate ranges between 35 and 50% for the majority of the mushrooms lignivores. However, some can develop from 22%, like Serpula lacrymens or Mérule.
The water content of a wood is directly related on its capacity of water absorption and to the external conditions. In practice, the parts placed in normal condition under our climates have a point of balance lower than 22%. An alternation of dry and wet periods are favorable to the development of some mycètes, in particular Lenzites will sepiara or Lenzite of clotures.
Temperature
The majority of mushrooms are mésophiles, i.e., that they develop around 20°C. They resist remarkably well the low temperatures which even seem to support the growth, once the restored normal conditions. The spores subjected to temperatures about 80°C survive. The myceliumren are killed around 55°C.
Light
Contrary to the chlorophyllian plants, the light is not essential to the growth of mushrooms. Néanmois, to develop carpophores, i.e. to bear fruit, a little light is essential. A few minutes are enough. It would seem that the pycètes use especially the upper part of the visible spectrum (the blue ones
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Treatment frames
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