The 11 in. belt drive electric grinder is ideal for the removal of Thinset, Mastic® and heavy coatings. It is also ideal for resurfacing of damaged areas, tapering of high concrete 1/4 in. or less, grinding concrete and smoothing rough surfaces, such as trowel marks. Equipped to handle both wet and dry grinding, the water connection is optimally positioned for wet grinding. The unit has a foldable handle for easy transportation.

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How The Virginia Abrasives 11" Floor Grinder Compares To Other Floor Grinder Options

Flooring contractors evaluating single-disc floor grinders usually face this question: should I get a handheld angle-grinder-style unit, this belt-driven 11" walk-behind grinder, or a multi-head counter-rotating system like the WerkMaster Boss?

Here's the honest comparison:

Feature Makinex 2050W Handheld Grinder ($647.00) Virginia Abrasives 11" Floor Grinder ($5,247) WerkMaster Boss 4-in-1 ($9,875)
Drive System Direct handheld motor Belt drive, 800 RPM Counter-rotational, Variable Frequency Drive 400-900 RPM
Motor 2050W general-purpose motor 1.5 HP electric, 120V, 20A 1.5 HP
Grinding Head 7 in. diamond or resin discs 11 in. magnetic grinding head with trapezoid tooling 5 in. Plug 'N Go plates
Wet/Dry Capability Dry only, with vacuum port Both wet and dry, water connection optimally positioned for wet grinding Both, HEPA vacuum compatible
Coverage Area Small, spot work and edging Ideal for smaller areas, roughly up to 1,500 sq. ft. Full floors, 14 in. footprint reaching within 1/8 in. of walls
Head Adjustment Manual Bubble level for head adjustment, adjustable wheels for level grinding Automated via VFD speed control
Dust Control Vacuum-compatible outlet port Removable shroud with 2 vacuum ports HEPA vacuum compatible
Weight Lightweight, handheld 106 lbs. Disassembles into 3 components for transport
Best Suited For Handheld edge grinding, small spot jobs Removing thinset, mastic, and heavy coatings on small-to-medium floor areas Full-floor grinding, polishing, and wood refinishing

Why The Virginia Abrasives 11" Floor Grinder Is Worth The Investment

This isn't just a floor grinder, it's built with a belt-driven 800 RPM motor and a magnetic grinding head system, giving flooring contractors real removal power for thinset, mastic, and heavy coatings that a handheld unit can't match, without the cost of a full multi-head system.

The 433-51000 specifically addresses the needs of flooring contractors who need to remove coatings and resurface damaged areas on small-to-medium floors, whether working wet or dry.

Wet Or Dry, Positioned Right For The Job. Equipped to handle both wet and dry grinding, the water connection is optimally positioned for wet grinding, giving contractors the flexibility to control dust with water when needed or run dry with the vacuum port system when water isn't practical.

Built For Real Coating Removal

Ideal for removing thinset, mastic, and heavy coatings, plus resurfacing damaged areas and tapering high concrete up to 1/4 in.

The 11 in. magnetic grinding head accepts trapezoid tooling for efficient material removal

Grinds concrete and smooths rough surfaces such as trowel marks for a clean, level finish

Engineered For Practical Jobsite Use

A bubble level for head adjustment and adjustable wheels support consistent, level grinding across the floor

The removable shroud and 2 vacuum ports support dust control during dry grinding operations

A foldable handle and twist locking cord make transport and setup between jobs straightforward

Real Savings

Belt-driven 800 RPM grinding removes thinset and mastic faster than handheld tools, reducing labor hours on removal jobs

Wet and dry grinding flexibility avoids the need for a second dedicated grinder for water-sensitive job sites

The included 11 in. magnetic grinding head and 50 ft. cord avoid the cost of purchasing these components separately

Free shipping and no sales tax through Summit Forge Supply keeps the total cost down compared to buying elsewhere and paying tax and freight separately

The Bottom Line Flooring contractors removing thinset, mastic, and heavy coatings on small-to-medium floors can't afford a handheld tool that can't keep pace or a full multi-head system priced for larger jobs. The Virginia Abrasives 11" Floor Grinder is built with a belt-driven 800 RPM motor, a magnetic grinding head, and wet/dry flexibility, so it delivers real coating removal power sized right for the job. For anyone resurfacing or removing coatings from concrete floors on a regular basis, this is the grinder built to handle it.

  • Ideal for the removal of thinset, Mastic and heavy coatings, plus resurfacing of damaged areas, tapering of high concrete 1/4 in. or less, grinding and smoothing
  • Features removable shroud bubble, water connection for wet grinding, twist locking cord, and 2 vacuum ports
  • Includes 11 in. grinder, 50 ft. 10 gauge electric cord, and 11 in. magnetic grinding head
  • Tooling: Trapezoids
Equipment Type Floor Grinder
Cord Length 50 Ft.
Diameter 11 In.
Drive Belt
Dry Weight 106 Lbs
Motor Power 1.5 Hp Electric
RPM 800
SKU 433-51000

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