Quote:
Originally Posted by lynn
We get those great big reddish cockroaches outside on our drive through the summer, and we discovered they were coming out from round the drain cover. I spray round the cracks with oro (big can from Lidl) every few weeks, and it seems to keep them away....
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Yes, they can easily get to third-floor flats via drains and air vents so and spray round all the edges and keep the plugs in baths and sinks.