We have our 1st seasonal site this year. While having the RV hooked up for 6 months, what is the best thing to use to fill the openings where the electric/water & dump hoses go through? Will they che...
There is a version of Great Stuff called Pestblock made that has a bitter chemical in it to deter mice from gnawning through it. It doesn't seem to expand as much as the regular expanding foam cans, so take that into account when using it.
As for fiberglass insulation, mice love it, and quickly turn it into nesting material.