Donnie writes
I am trying to figure out how to foam an entire wall cavity. I understand I can spray the top of a stud by drilling an access hole and foaming in the direction of said stud and letting it run all the way down the stud, hopefully. But my issue is that I have tongue and groove walls in a historic home. I need a reliable way to actually get the foam to touch every inch of the wall cavity. Is there anything that would produce enough foam to fill a 15-inch x 3-inch x 13-foot wall cavity? I am trying to protect in the future, so the Termidor foam doesn't do what I need, that is for active infestations.
Boracare can be used as a foam. You should only be concerned about getting the foam near the wood and studs. Typically when a company foams walls, they drill holes at the top of the ceiling on either side of the studs and foam down the stud from the ceiling. This way you have gravity working in your favor and you are getting the foam against the wood which is all that matters. You will need a foaming agent and a poly foamer. You will mix 2 gallons of hot water with 1 gallon of Boracare.
Answer last updated on: 05/01/2023
