UK Prix Foam Spray - 750ml
"Spray foam" is also an informal term used to refer to various plastic foam materials that are used in building construction to provide thermal insulation and minimize air infiltration. Polyurethane and polyisocyanurate are two types of foam used in this application.
Mice are said to hate the smell of these. Lightly soak some cotton balls in oils from one or more of these foods and leave the cotton balls in places where you've had problems with mice
“Normally, what we teach is that all foam applications should be installed in 3/4-inch to 3-inch-thick lifts. If foam is applied thick and quick — say, 4 inches thick — you gain yield. You can cover more wall with less foam.