David from Jackson, Tn writes
Hi, I have notice outside a hole where the Ac unit refrigerant lines run into my house is not ready covered and I feel that mice are using it as one of the ways to get into the house, is Stuf-Fit along with expanding foam is safe to use fill this hole?
You can use Stuf-Fit Copper Mesh to seal holes around the a/c lines as long as the holes are not larger than 2 inches.
Answer last updated on: 06/29/2012