Questions about: spray-foam

2) before it dries (just follow the installer around), throw big handfuls of chopped fiberglass (check in your area for a fiberglass supplier - its cheap and abundant). make sure you coat everywhere as much as you can. 3) once dry, spray again
Expanding foam fills gaps as it seals and insulates. Although it's simple to apply, removing excess foam, once it has cured and.