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Floor Sander Machines

Rotary floor sanders with 17 to 21 inch aprons for screening and refinishing hardwood. Sealed motors keep wood dust out of the windings. Dust containment is ordered separately.

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Mercury H-19S Hercules Floor Sander – 1.5 HP Sealed Motor, 19" Apron, 175 RPM

Mercury Floor Machines
In stock

H-19S Hercules Floor Sander — 19" Sealed Motor Sanding Machine for Intermediate-Size Floors The Mercury H-19S Hercules is the 19-inch version of t...

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Hawk Glide 360 Sanding Star WD 17" Floor Machine – 165 RPM, Dual Voltage

Hawk Enterprises
In stock

17" Wood Floor Sanding Machine with Integrated 6-Qt Dual-Stage Vacuum and 360° Dust ControlThe Hawk Glide 360 Sanding Star WD 17" (F95-17-01S) is a...

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Mercury H-17S Hercules Floor Sander – 1.5 HP Sealed Motor, 17" Apron, 175 RPM

Mercury Floor Machines
In stock

H-17S Hercules Floor Sander — 17" Sealed Motor Machine for Standard Commercial Floor Sanding The Mercury H-17S Hercules is the 17-inch entry point...

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Original price $3,224.00
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Current price $2,809.00
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Mercury H-20S Hercules Floor Sander – 1.5 HP Sealed Motor, 20" Apron, 175 RPM

Mercury Floor Machines
In stock

H-20S Hercules Floor Sander — Sealed Motor Protection for Dusty Sanding Environments The Mercury H-20S Hercules is a 20-inch floor sanding machine...

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Mercury H-21S Hercules Floor Sander Machine – 1.5 HP Sealed Motor, 175 RPM

Mercury Floor Machines
In stock

21-Inch Commercial Floor Sander with Sealed Motor – Mercury H-21S HerculesThe Mercury H-21S Hercules is a 21-inch commercial floor sander machine b...

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Commercial Floor Sander Machines for Wood Floor Refinishing

Floor Sander Machines: Professional Hardwood Refinishing

These are rotary floor machines running abrasive screens and discs at 165 to 175 RPM, the type used to screen a floor between finish coats and to take back a worn finish. They are not drum sanders. A drum machine cuts aggressively enough to level a badly cupped or heavily damaged floor; a rotary at this speed will not, and that is the point. Rotary machines are far more forgiving of operator error, which is why they are the standard choice for screening and recoating rather than full structural sanding.

Sealed Motors, and Why That Is Not Dust Collection

Every Mercury Hercules machine here uses a sealed 1.5 HP motor. That protects the windings and bearings from wood dust, which is what kills open-frame motors on heavy sanding schedules. It does not capture dust from the floor. Containment is separate equipment. Mercury lists a dust skirt for the H-17S and H-20S as its own item, and crews working occupied buildings normally pair the machine with a HEPA vacuum. Confirm what is included before you budget the job.

Surface Restoration Power

Floor sanding machines remove old finishes and surface damage from hardwood floors to prepare for new finish application. The machines level uneven wear, remove staining, and restore floors to like-new condition when refinishing is more practical than replacement. Floor sanding machines require operator skill to achieve even results without gouging or creating visible sanding patterns. Many contractors offer sanding services using commercial equipment that delivers faster, more consistent results than rental equipment designed for occasional use.

Apron Size and Doorway Access

The Hercules line runs 17, 19, 20, and 21 inch aprons on the same 1.5 HP sealed motor and triple-planetary transmission. Wider aprons cover open floor faster; narrower ones get through fire doors and into corridors. Contractors working hotel hallways, school corridors, and apartment common areas usually size down to the 17 or 19 inch machine for that reason alone. The Hawk Glide 360 Sanding Star adds a 17 inch dual-voltage option at 165 RPM.

Shop similar collections: Floor Buffers | Floor Buffers for Hardwood | Floor Buffers for Gyms

Multiple Sanding Stages

Floor refinishing typically requires multiple sanding passes with progressively finer abrasives. Floor sanding equipment must handle the range of grits needed for proper refinishing progression. Professional floor sanders efficiently work through sanding stages to produce surfaces ready for finish coats.

Authorized dealers and service centers provide warranty support, genuine replacement parts, and technical expertise for proper equipment maintenance. Factory-trained technicians ensure repairs meet manufacturer specifications for continued reliable performance. Consider total cost of ownership including parts availability and service access when selecting equipment brands.

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