Where in a mobile home is the bottom board and floor insulation located?

In a mobile home, the bottom board, often referred to as the skirting or underbelly, is typically located beneath the floor structure and serves to protect the insulation and Plumbing from external elements. The floor insulation is placed between the floor joists, beneath the flooring material, providing thermal barrier and energy efficiency. Together, they help maintain comfortable indoor temperatures and prevent heat loss.