George from Austin, Texas writes
Yes, Alpine WSG would leave behind some residual on a porous surface, however some will inevitably absorb in as well. When treating exterior surfaces, it is recommended to treat the foundation and soil around the exterior perimeter as well as where utilities enter the home, gaps and voids in siding, around windows, doors and other entry points where insects may enter. View page 7 for more information on the product label.
Answer last updated on: 09/14/2022
