Cover the vents with plastic bags for several days to prevent more wasps from going into the system.
Wasps in attic vent.
Wear a breathing mask and.
If there are any unsealed openings such as open attic vents or attic vents that don t seal properly it is extremely easy for wasps to enter the main parts of your home.
How to get rid of wasps in roof vents step 1.
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.
Check your attic for.
Determine what type of wasp you have.
Spray an insecticide into the vent to kill any wasps that are currently in the vent.
How to get rid of wasps in the attic step 1.
Do not seal any vents in the attic.
It is very easy for wasps to get into attics normally due to openings around vents and or poor construction practices that leave big gaps between the sections of wood near the areas where the shingles and gutters meet up.
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.
Dress in thick clothing.
Inspect your attic for any small cracks holes crevasses or opening and fill them with something like expanding polyurethane foam sold at home improvement stores.
Vents play a key role in reducing mold and mildew which is why you need them open.
With an average size of just 1 2 inch long wasps are capable of fitting through some pretty small spaces.