Surface Preparation & Grinding
Professional concrete dust extraction equipment, floor grinders, and surface preparation machines for contractors who need to meet OSHA silica dust requirements (29 CFR 1926.1153) and deliver polished, coated, or leveled concrete surfaces. We stock Husqvarna dust extractors, vacuum systems, pre-separators, floor grinders, and scarifiers — all tax-free in 45+ states with free freight on orders over $199.
⚠️ Compliance Note: OSHA 1926.1153 — the silica dust standard — requires concrete contractors to use engineering dust controls when grinding, cutting, drilling, or scarifying concrete. HEPA-filtered dust extraction is the most common compliant solution for handheld and walk-behind operations. HEPA filtration captures 99.97% of particles at 0.3 microns — including respirable crystalline silica. Non-HEPA vacuums do not meet OSHA requirements for silica control.
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How to Choose
How to Choose Surface Prep & Grinding Equipment
1. Match the grinder to your job size
Single-disc grinders (7-10") suit small areas, edges, and spot repairs. Walk-behind planetary grinders (Husqvarna PG series) with 2-3 heads suit large floor areas — commercial, industrial, and decorative concrete. The larger the grinding head count, the faster the coverage rate.
2. Tooling selection is critical
Diamond tooling bond hardness must match your concrete: soft-bond diamonds for hard concrete, hard-bond diamonds for soft concrete. Using the wrong bond wastes tooling and slows production. Start with a test section to verify tooling performance.
3. Dust extraction is mandatory
OSHA 1926.1153 requires engineering dust controls when grinding concrete. HEPA-filtered dust extraction is the standard compliant solution. Match your extractor CFM to your grinder: single-head grinders need 150-250 CFM, planetary grinders need 300-500+ CFM.
4. HEPA is not optional for silica work
All Husqvarna dust extractors we stock include HEPA-rated filtration capturing 99.97% of particles at 0.3 microns. Do not use a standard shop vac for silica-generating operations — it will recirculate fine particles.
5. Consider the pre-separator
For high-volume debris, a pre-separator upstream of your dust extractor dramatically extends filter life and reduces maintenance. Husqvarna S-series pre-separators are designed to work in-line with their extractor range.
Buying Tip
Pro tip: Always budget for dust extraction when purchasing a floor grinder. A $22,000 grinder without a $6,000 dust collector is an OSHA violation waiting to happen.
Frequently Asked Questions
Yes. OSHA standard 29 CFR 1926.1153 requires engineering dust controls for concrete grinding, cutting, drilling, and scarifying. HEPA filtration is the standard compliant solution, capturing 99.97% of particles at 0.3 microns including respirable crystalline silica. Standard shop vacuums do not meet OSHA requirements for silica dust control.
A dust extractor is typically a portable, HEPA-filtered vacuum designed to connect directly to a power tool for point-of-source dust capture. A dust collector is a larger, higher-capacity unit designed for centralized collection from multiple tools or a fixed grinding station. For most jobsite work, a portable dust extractor is the right choice.
Single-head floor grinders typically require 150-250 CFM extraction. Dual-head planetary grinders require 300-500 CFM or more depending on disc count and aggressiveness. Husqvarna recommends pairing their floor grinders with the DC-1400 or DC-655 dust collectors for optimal dust capture.
A typical polished concrete sequence starts with 30-40 grit metal-bond diamonds for stock removal, progresses through 80, 150, and 300 grit for honing, then switches to resin-bond diamonds at 100, 200, 400, 800, 1500, and 3000 grit for polishing. The exact sequence depends on the concrete hardness and desired finish level.
ConcreteProDirect does not collect sales tax in most US states. On a Husqvarna DC-655 dust collector at $6,200, a Texas contractor saves $387 in sales tax. On a PG 820 floor grinder at $22,000, the saving exceeds $1,375.
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