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A grout doctor refers to a professional or provider that specializes in cleaning, maintenance, repair, and restoration of grout and tile. Rates range from $200 to $450 per room, but fees vary by location, with taxes, overhead, and travel times all affecting local prices.

The best tile and grout cleaner is a steam cleaner specialized for tile and grout purposes, and most technicians use these machines as the first choice when cleaning grout. They may also use pretreatment solutions, brushes or scrubbers, or chemical cleaners.

Tile and grout are water-resistant rather than waterproof. Even with sealing, natural stone tiles are porous and can absorb moisture, which may lead to erosion and deterioration over time. Ceramic and porcelain tiles have high density and offer better moisture resistance. Glass tiles are non-porous and don’t absorb any water, making them ideal for areas more prone to moisture.

You should schedule professional tile and grout cleaning every six to 12 months, depending on dirt and grime buildup. Kitchens, bathrooms, and other areas regularly exposed to water, dirt, spills, oil, and other materials may require more frequent cleaning and sealing.

Tile and grout cleaning isn’t bad for your floors when done correctly. Improper cleaning, over-scrubbing, and using the wrong chemicals can weaken the grout. When done properly by a professional, cleaning can lengthen the life of your tiling.

Commercial grout cleaning costs the same as residential jobs, around $0.75 to $3 per square foot. Since most commercial spaces use larger tiles with less grout, costs usually range from $0.75 to $1.50 per square foot. Commercial jobs use the same techniques, chemicals, and machines as residential projects.