Wasps cause problems when they build nests in or around your home.
Wasp in roof vent.
Place the bag over the nest knock the nest off with the scraper and seal the bag.
They will defend their territory and get aggressive if you get too close to a nest or try to disturb them.
There are many species of wasps and while some are not destructive to homes and buildings they all sting.
Famco sells a j vent with a 1 8 inch screen but wasps might be able to get thru that if they really wanted to.
They could hibernate in your loft causing you more problems the following year.
Many of the ridge and other types of attic vents i ve seen have louvers with almost 1 4 inch slits that are big enough for wasps to get thru and they do not have any secondary screen.
The last thing a homeowner wants to find in his attic is a wasp s nest.
Make sure you use gloves long sleeved clothes and a protective mask.
Dont leave a wasp nest in your roof.
Non poisonous method to get rid of a wasps nest in a roof you can use a garbage bag inside a landing net and a long handled scraper to remove the nest from the roof where it is attached.
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