Plugging holes on the exterior of your house with foam sealant is a great way to stop air infiltration, but it may not keep out pests. Mice can and will chew right through the regular expanding ...

In this case, [Eric] is using it to build up the surface of the foam and seal up all the open pores. The downside is that the gesso requires several coats to really build up. [Eric] puts six coats ...