Ask if they provide protective treatments like carpet protector and grout sealer, consisting of durability, upkeep tips

https://uniform-wiki.win/index.php/How_to_Assess_Tile_Cleaning_and_Grout_Cleaning_Pros_Before_You_Schedule

Ask if they offer protective treatments like carpet protector and grout sealant, including longevity, upkeep tips, and warranty information.