On vinyl windows and doors weep holes consist of vented slots on the bottom of the exterior frame.
Weep gaps in vinyl window frames vs insects.
I believe the wasp crawled in through the little hole that allows water to drain out from the window.
The term weep and vent barrier uses a 3 8 x 1 x 4 rectangular petg plastic frame a stainless steel mesh screen with 0 017 openings which is melt bonded to the plastic frame.
There is typically a small gap at those corners to facilitate the evacuation of the water with the gap being small enough to prevent most insect infiltration similar to the gaps holes in the screening material itself.
Weep holes are often left unsecured which of course offers no protection against foraging pests.
Generally pvc has better resistance to thermal conductivity than thermally broken aluminum.
Once bugs enter the weep hole they can climb up through gaps into the window track and into the space between the screen and the windowpane.
When you open the window well you just gave them a free pass into your home.
Gaps between brick mold and vinyl window must.
1 frame jamb 2 insulated glass 3 operable sash 4 lift rail 5 sill insert 6 frame sill 7 insect screen 8 screen frame 9 screen track.
Corrugated plastics and steel wool pieces are also used to deter pests.
This is a very common design and in fact the preferred design.
In a vinyl window the sill is the exact shape as the jambs.
Section through vinyl double hung window frame sill.
Sometimes as in the case of my windows these break off leaving an excellent entry point for pests such as bmsb.
Vinyl replacement windows often are made on each side from the same piece of vinyl called the extrusion.
It is not a seal at that interface as window 1 was alluding to.
Caulking windows to give them a finished look inside and out and seal out leaks and drafts is a fairly common diy task.
The houses directly under the window insulation gap i thought it neat how i can open the window to peer inside the houses.
Upon closer inspection small papery cocoons confirmed the presence of one of the most curious members of the thread wasted wasp clan grass carrying wasps belonging to the genus isodontia we met other members of the sphecid wasp clan such as the cicada killer and steel blue cricket hunter in previous episodes of bug of the week in nature grass carrying wasps typically line abandoned beetle.
