Filler
A material such as cotton mop yarn, glass fiber insulation, oakum, polyethylene, Denver foam, etc., which is pressed into an opening or joint so that the compound applied to seal the joint will exert pressure and form good contact against the sides of the joint or opening.Not quite sure what the proper home improvement terms are? Let us help. We have put together a glossory for you to learn a little bit more about Home Improvement Glossary and Terms
For furthur reading please see our Learn the Basics Homepage.
