Now when it comes through the wall there probably in the old window design was a brick mold or a trim that went around the outside of that window that was wider.
Exterior window gap filler.
Caulk is intended for use on relatively narrow seams typically 1 4 wide or tighter.
I bought a 1 2 inch backer rod and that seems the right size however the hole is really deep and gets a lot wider about 1 2 inch in.
A range of window fillers for filling gaps cracks and holes in wooden window frames and sills in preparation for refinishing with an interior wood oil stain or other suitable wood finish.
If applied to large gaps caulk can sag out of.
And very often with the old wood windows there is a brick mold.
Great stuff big gap filler insulating foam sealant is an expanding foam sealant that fills seals and insulates gaps up to 3 inches.
Doing the first window and i notice there s a big gap between the window frame and the wall and i was wondering the best way to fill it in so i can caulk it.
New upgrade huge gap door draft stopper 3 2 5 w widened door sweep seal gap up to 1 4 5 for interior exterior doors keeping draft noise dust and unwanted animals out 3 2 5 w x 39 l white 4 6 out of 5 stars 1 215.
That s what actually when i say brick mold that s what it s called.
Don t use caulk as a filler for poorly trimmed out windows.