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Novatek Dustless Tools for Silica Dust Compliance
How Novatek Dustless Systems Work
Novatek dustless tools connect standard angle grinders, orbital sanders, and reciprocating tools to a HEPA vacuum via a shroud attachment that surrounds the work surface and captures dust at the point of generation. When the grinder or sander runs, the vacuum pulls air through the shroud and into its filtration system, preventing silica-containing concrete dust from becoming airborne. This source-capture approach meets OSHA's engineering control requirement for silica dust under 29 CFR 1926.1153 — eliminating the need for a full respiratory protection program on tasks that can be controlled at the source.
Novatek Tools and OSHA Silica Regulations
OSHA's construction silica standard (effective 2017) requires contractors performing silica-generating tasks to use engineering controls that reduce worker exposure below the action level of 25 µg/m³ and the PEL of 50 µg/m³. OSHA Table 1 lists specific combinations of tools and engineering controls for common silica-generating tasks: grinding with a shroud and HEPA vacuum is Table 1-listed for concrete surface grinding, meaning contractors using this method are in presumptive compliance without air sampling. Novatek shrouds are engineered for Table 1 compliance with the vacuum and tool configurations specified in the standard.
Related: Asbestos Vacuums · Mobile Dust Containment Carts · Abatement Technologies · HEPA Negative Air Machines
Selecting Novatek Attachments for Your Equipment
Match the Novatek shroud to your tool's arbor size and the material being worked. Angle grinder shrouds are available for 4-inch, 4.5-inch, and 7-inch grinders with both cup wheel and disc configurations. Sanding shrouds fit random-orbital and belt sanders for surface preparation on lead paint and silica-containing materials. All Novatek shrouds use standard 1.5-inch or 2-inch vacuum hose fittings compatible with most HEPA vacuums. For full Table 1 compliance, pair Novatek shrouds with a HEPA-filtered vacuum — not a standard shop vacuum — as required by the OSHA standard.