Ask if they use protective treatments like carpet protector and grout sealant, including durability, maintenance tips
https://sticky-wiki.win/index.php/What_to_Look_For_in_St_George_Carpet_Cleaning_Services:_A_Homeowner%E2%80%99s_Guide_94327
Ask if they provide protective treatments like carpet protector and grout sealer, consisting of longevity, maintenance tips, and warranty information.