Probably getting the underfloor area fogged from a limited number of
removed boards. Assuming not too many obstructions they reckon they can
fog up to 8 metres.

what is fogging,
is it some kind of smoke they squirt under?

does it kill the woodworm iside the wood?
How deep inside do they get?

or does fogging lay poison on the oustside for when they try and get out?

befroe i plasterboard over wood with woodworm holes is it worth
painting it with 5star or something like that with a brush?

[g]