Questions
and Answers - woodworm treatment using chemicals - how do they work?Q.
WHAT IS A WOODWORM TREATMENT CHEMICAL?A.
Legally, in Europe, it is any chemical that has been approved by the Health
and Safety Executive (HSE) under the relevant European Directive and which carries
a current HSE Number. This means that it is considered to be both effective and
safe for use throughout Europe for treating wood boring insects. Click
for Index Page
Where
can I buy an HSE Registered Woodworm Treatment?
Call for
help - 01626 872886
E Mail us
for help - help@woodworm-expert-advice-forum.org.uk
Q.
WHICH TYPES OF CHEMICAL ARE APPROVED FOR USE IN THE UK? A.
They fall into three groups - growth
regulators, neuro toxins and biostats.
Q.
HOW DOES A WOODWORM TREATMENT CHEMICAL ACTUALLY WORK? A.
Growth Regulators are a type of Hormone which stop the grub from changing into
an adult beetle by preventing the development of its hard parts - the body case
and wings - so it cannot pupate and therefore cannot go on to mate and produce
more eggs.
Neuro toxins are contact
insecticides - they kill all insects, including spiders and flies, on
contact, by paralysing them, so they suffocate. Permethrin and Cypermetrhrin
are neuro toxins.
Biostats
only kill insects that eat the treated material - in this case wood - and they
work by stopping the egg or grub from benefiting from its food, so that it effectively
starves. Click
here for more Boron Technical Information
Q.
WHAT LIMITS THESE WOODWORM CHEMICALS FROM BEING EFFECTIVE?A.
Reaching the grubs that are
deep inside the wood, doing the damage. Economically, chemical treatments can
only be applied to the accessible wood surfaces, so no matter how wonderful the
chemical it can only really act once the Adult beetle has emerged. It may act
by killing the adult or by killing the eggs, or both - but in all cases the chemicals
are effectively only there to 'break the egg laying cycle'. The adult common furniture
beetle only lives for about 3 weeks and does not eat any wood.
Q.
DO ALL WOODWORM TREATMENTS
KILL THE WOODWORM STRAIGHT AWAY? A.
No, only the Neuro Toxins can do that - the other two act on the eggs.
Q.
WHICH IS THE BEST WOODWORM TREATMENT? A.
Ideally, a treatment that can reach the grubs already inside the wood - but this
is not a chemical problem, this is a delivery problem. So, for normal surface
treatment only the best treatment would be one that remains permanently in the
wood, does not evaporate into the room, kills any eggs laid onto the wood, but
leaves other insects unharmed. Click
here for more Boron Technical Information Where
can I buy Boron based Woodworm Treatment?
Q.
WHY ARE THERE FRESH BORE HOLES APPEARING, EVEN THOUGH I TREATED EVERYTHING MONTHS
AGO WITH AN INSECTICIDE? SHOULD I TREAT EVERYTHING AGAIN? A.
Because the wood worm eggs
bore into the wood and become grubs that live too deep in the wood to be reached
with a normal surface treatment. No - don't treat again - it won't make any difference
- common furniture beetles may emerge for up to 5 years after treatment.
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Sites:
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www.joist-repair.co.uk
- how to quickly repair joists and beams of any size
www.steel-fire-paint.co.uk
- treat steel with Intumescent Paint to provide fire protection
www.timber.org.uk
- systems of repair, with step by step methods
www.timber-repair.co.uk
- how to repair timber beams
www.woodworm-info.co.uk
- how to kill and prevent woodworm and death watch beetle
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