Ask if they use protective treatments like carpet protector and grout sealer, consisting of longevity, maintenance pointers
https://page-wiki.win/index.php/Tile_and_Carpet_Cleaning_Services_Checklist:_From_Grout_Cleaning_to_Deep_Steam_in_St_George_86814
Ask if they provide protective treatments like carpet protector and grout sealer, consisting of durability, maintenance ideas, and service warranty information.