How will the invisible barrier be created?
) Because different homes have different styles of construction they will often require a different type of treatment. This can include some of the following methods: 1. Digging and treating narrow trenches along external and internal walls. 2. Drilling through horizontal concrete surfaces into voids or underslab soil. 3. Rodding the soil around inside walls, piers and pipes of subfloor crawl space. 4. Drilling through hollow brick or double brick walls.
