Exterior Window Gap Filler

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.

Exterior window gap filler. If applied to large gaps caulk can sag out of. These strong and effective wood fillers will suit any project whether softwood or hardwood window sills new or old wooden window frames. 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. It s called brick mold and it s a type of wood trim that s about 2 to 2.

Don t use caulk as a filler for poorly trimmed out windows. 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. Great stuff big gap filler insulating foam sealant is an expanding foam sealant that fills seals and insulates gaps up to 3 inches.

This ready to use sealant is specially formulated to take on common areas of energy loss such as rim joists sill plates plumbing hvac and other larger penetrations. And very often with the old wood windows there is a brick mold.