Insecticide or fungicide: choosing your treatment

Insecticide treatment

Wood is a "living" material that contains a multitude of substances that are palatable to many organisms. The presence of wood-boring insects and wood-eating fungi in wood is highly damaging as it jeopardises the structural durability of the material and therefore the durability of the structure.

Treating wood, either preventively (avoiding the...

Wood is a "living" material that contains a multitude of substances that are palatable to many organisms. The presence of wood-boring insects and wood-eating fungi in wood is highly damaging as it jeopardises the structural durability of the material and therefore the durability of the structure.

Treating wood, either preventively (avoiding the establishment of these organisms) or curatively (stopping their proliferation and the damage they cause), may, in certain very specific cases, prove necessary. Insecticides and fungicides are not without risk either for the environment or for the applicator.

Therefore, in order to avoid treating "all over the place", especially if it is not or no longer necessary, it is important to make the right diagnosis. The editorial content below is intended to help you in this respect and also suggests some golden rules to be followed to avoid any treatment. You will also see that in this category we have selected insecticide treatment products for wood that are not of our own manufacture. The criteria that led us to choose these products are technical performance but above all the ecological aspect.

 

NATURAL INSECTICIDES FOR WOOD

 

Wood Bliss Insecticide Naturel

Natural Insecticide Treatment - Wood Bliss

Natural Insecticide Treatment - Wood Bliss

Primaire Assainissant PA400

Sanitizing Primer For Wood PA400

Sanitizing Primer For Wood PA400

Natural Colourless Insecticide HM1 Wood Bliss

Natural Colourless Insecticide HM1 Wood Bliss

Natural Colourless Insecticide HM1 Wood Bliss

Insecticide Fongicide Wood Bliss High C

Insecticide And Fungicide- Wood Bliss High-C

Insecticide And Fungicide Wood Bliss High-C

WOOD-EATING INSECTS AND LIGNIVOROUS FUNGI: SHORT OVERVIEW

 

There are 5 main species of wood-eating insects that are the most widespread in France:

- the house longhorn beetle that attacks softwoods

- the broadleaf longhorn beetle, also known as Trichoferus holosericeus

-  the furniture beetle, which attacks both deciduous and coniferous trees

- the deathwatch beetle, which has the habit of attacking wood that has already undergone fungal degradation (cubic or fibrous) and has a high moisture content

- the powder-post beetle, which prefers soft woods.

Although each of these insects has its own mode of development, they all have in common that they all feed on starch, a nutrient that is only present in the sapwood, which is the peripheral (i.e. "youngest") part of a tree. When this sapwood is transformed into heartwood (also called duramen) through the process of hardening, the starch is then transformed into other molecules. The heartwood then becomes unsuitable for insects.

 

As far as lignivorous fungi are concerned, their classification is done, in practice, according to the type of rot it causes (visual examination).

There are 3 main types of rot, the development of which occurs as soon as the moisture content of the wood exceeds 20% :

- brown or cubic rot, which preferentially degrades the cellulose (the wood is then darkened due to the high remaining lignin content). The most frequent and best-known representative of all is the dry rot (Serpulan lacrymans). The humidity of the wood must be above 20%

- white or fibrous rot, which attacks mainly lignin (reveals the cellulose fibres) and occurs on wood with a moisture content of more than 40%. Bracket fungi is the most common.

- soft rot which attacks very damp wood (humidity over 50-60%)

 

 

 natural insecticide

 

avoid treatments ? the golden rules

 

Preserving the environment and human health rather than wood is possible by respecting a few simple principles :

- Favour a naturally durable species or at least apply the right "wood in the right place" principle by using a species with a level of natural durability suitable for its use. To do this, we will refer to the 5 possible use classes (from I to V) which will be used to make the appropriate choice of wood classified according to 5 durability levels (from 1: very durable to 5: perishable).

- Use wood purged of sapwood, the presence of which increases the risk of attack by insects attracted by the starch,

- Use very dry wood and limit or even eliminate any risk of re-moistening of the wood by respecting the rules of good work practices (appropriate construction choices and adherence to the building regulations). This ensures that the humidity level of the wood remains below 20%, the limit below which lignivorous fungi cannot develop.

 

WHEN, HOW AND WHY TREAT WOOD?

 

Certain constraints, particularly economic or technical, do not always make it possible to comply with these instructions. It is therefore advisable to protect the wood by means of a treatment, whether preventive or curative, insecticide or fungicide. .

It is necessary to intervene as soon as possible. For wood used in an environment already attacked by termites, wood-eating insects or fungi, preventive treatment makes sense. An application by brushing on our insecticide treatment products will suffice. This protective treatment will prevent the appearance of wood-damaging species and keep the structure of the wood intact. For wood attacked by wood-boring insects, termites or fungi, curative treatment is essential. It can be applied either by brushing, or by injecting until saturation through the flight holes or by injecting through holes that have been drilled in the most infested areas. The technical data sheets of our insecticide products will give you details of the exact procedure to follow in each case.

Among the insecticide products we have selected, we offer several solutions. They are all non-toxic, solvent-free and VOC-free. Our products contain neither biocide nor insecticide. They do not threaten health or the environment. They are products made from renewable vegetable and mineral raw materials such as the Indian Patina.

If you need to treat or restore wooden furniture (table, chair, wardrobe,...), wooden flooring, wooden works of art, a musical instrument or any other interior woodwork while maintaining a perfectly colourless appearance, then HM1 insecticide is recommended. If you need to treat carpentry, timber framing, beams, cladding or terrace, then choose WoodBliss or WoodBliss High-C (which is a concentrated version of WoodBliss). In addition to its effectiveness as a curative and preventive treatment, Wood Bliss, equivalent to the Indian Patina, helps to mineralise the wood and consolidate it. It also reduces its combustibility and the emanation of smoke. To find out more about the treatment of infected wood, you can consult our guide How to eliminate woodborers and fugi ?

 

 

RECEIVED IDEAS AND ABERRATIONS

 

 wood insecticide treatment

 

 

Some users' behaviour lacks sense because of their lack of knowledge in the field, but above all because of the incentive from the chemical industry, which encourages consumers' fears of seeing their wood deteriorate.

Here are some of the most striking examples:

Using wood treated in an autoclave with heavy metals (considered as hazardous waste at the end of its life and for which no reprocessing channel exists) for temporary uses or which at least do not require such a level of protection with regard to their lifespan. The example of autoclaved pine garden borders is symptomatic: who plans to keep this type of product for more than 20 years?

- Applying a fungicide to wood wich has a  sufficient level of natural durability for the intended use.

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Natural Insecticide Treatment - Wood Bliss...
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Wood Bliss® saves attacked wood (curative treatment) and protects against attacks (preventive treatment) with immediate effect. It modifies the structure of the wood and neutralises the development of wood-boring insects (EN 46 standard), including termites (M.F.L.-USA) and lignivorous fungi, by a mineralisation process. No deleterious action on living...

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Wood Bliss® "high-C" is a curative and preventive wood treatment. It protects the wood against mould (basidiomycetes : Weeping Merula, Coniophore of cellars, Polypore of cellars, Poria valiant, Lenzite of fences, coriolus versicolor) and insects and termites. It protects the wood against the spread of fire and the formation of smoke. Available in 0.5, 1...

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HM1 Wood Bliss natural colourless insecticide is a colourless preventive and curative wood treatment for all interior woodwork: furniture, parquet floors, frames, wooden works of art, musical instruments. It helps to get rid of woodborers of the Anobiidae family (including the furniture beetle). It allows the wood to be treated without staining it....

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Sanitizing Primer For Wood PA400 acts against blackening, effectively disinfects wood before applying a finish and fights against the development of germs (fungi, mould) that cause finishes to blacken. PA400 Sanitizing Primer can be used on all types of wood outdoors, including siding and terraces. Available in 1, 2, 5 and 10 L. This primer sanitizes the...

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