Call Us Today For A FREE Survey On 01792 897 142 Experts South Wales Damp Proofing

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Many insect species are able to use wood as a food source. In doing so they can cause serious damage to timber by tunnelling into standing trees, freshly felled logs or wet decaying timber. A very small number of beetles are able to attack timber in the more or less dry conditions found in buildings.

These beetles all have a similar life cycle, although there are variations in the length of each stage in the life cycle, the type of wood attacked, and the extent and type of damage caused. Eggs laid by adults on timber surfaces, or in cracks in the timber, hatch to release very small grubs (larvae) which bore into the wood, feeding on the cellulose, lignin and other wood components, and creating a distinctive network of tunnels. The larvae of most wood-boring insects fill the tunnels with excreted wood pellets known as bore dust or frass. The size, shape and cross-section of the tunnels, and, to a lesser extent, the characteristics of the bore dust, are useful in identifying the species of insects.

After a period of one or more years’ feeding, the larvae undergo a metamorphosis within the timber, passing through a pupal stage before changing into adult form. These adult beetles then emerge, leaving the familiar ‘woodworm’ exit holes in the surface of the timber. The beetles do not themselves cause further damage, but, after mating, females often re-infest with their eggs in timbers near to those from which they have emerged; they may also fly or crawl some distance in search of suitable timber on which to lay their eggs. Damp conditions generally encourage infestation by most insects, and, in particular, deathwatch beetle and common furniture beetle.


Treatments - our team use a specialist Sovereign treatment that involves applying Sovereign Sovaq FLX F/1 under pressure to all accessible timbers. This includes timbers such as roofs, floors and stairs. Substantially weakened timbers must be placed with pre-treated timber where necessary.

Contact us to arrange a free no obligation survey on 01792 897 142.


Timber Treatments Mobile: 07967 385759