Just simply put the steel wool into the hole first, then cover it with spray foam. This foam expands to cover entry points. The spray foam sealant is made from polyurethane (PU) with excellent adhesion, ensuring a complete seal and making strong coverage.
[Upgraded] Rodent Barrier Kit, Steel Wool Included PU Spray Foam Hole Filler for
Just simply put the steel wool into the hole first, then cover it with spray foam. This foam expands to cover entry points. The spray foam sealant is made from polyurethane (PU) with excellent adhesion, ensuring a complete seal and making strong coverage.