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Concrete & Masonry - Silica Dust & Slurry Control - Products & Solutions.

 

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SEALANT REMOVAL
 Slice or Scrape
but don't grind ~

Joint Sealant
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Why Use Larger & Heavier Machines?  Get Off Your Knees! 
Multi-Use Compact Portable Heavy-Duty

Abrasives & Wire Wheels

 

Dust Control Tools  > 10" and 12" Dust Directors.
 
 
Product Made in the USA.10" & 12" Dust Director®

Dangers of Silica Dust Exposure ~ Without using a Dust Director attachment.Aluminum Dust Director® Guard with Complete Blade Visibility & Over 96% Dust Containment Efficiency ~ 

10" & 12" Dust Director Cut-Off Saws ~ Over 95% Dust Containment Efficiency.>  10" Dust Director® --- Very lightweight, 3-1/4" Depth-of-Cut

>  12" Dust Director® --- High Torque, "No Electronics" Saw, 4-1/4" Depth-of-Cut 

>  Ideal Applications:  Concrete, Masonry, Stone Cutting . . . Plumbing, Electric, Landscaping, Carpentry ~
   
Both saws are similar, providing over 96% containment efficiency with complete visibility.

 

 
Lightweight - 10" Dust Director Cut-Off Saw, 3-1/4" Depth-of-Cut.  

10" Dust Director®

  • 10" Blade Capacity
  • 3-1/4" Depth-of-Cut
  • Weight, w/ 15 Amp Grinder, 10" Guard, Loop Handle, 10" Blade:  12.6 lbs.

Extremely Lightweight, Soft Start Motor

 
Heavy-Duty - 12" Dust Director Cut-Off Saw, 4-1/4" Depth-of-Cut.  

12" Dust Director®

  • 12" Blade Capacity
  • 4-1/4" Depth-of-Cut
  • Weight, w/ 15 Amp Grinder, 12" Guard, Loop Handle, 12" Blade:  17.9 lbs.

High Torque, No Electronics Grinder

 

Learn more about the ICS 10" & 12" Dust Director®:

Pricing, Ordering:

  • Features, Specifications.

  • Pricing, Ordering.
    Purchase just the guard to use on your angle grinders.
    Combo Kit - 10 & 12" Dust Directors with discounted Angle Grinder.
    Free Combo Kits - With purchase of (20) assorted diamond blades.

    Dust Director Vacuums & Guard Packages.
  • Vacuum Packages  - 1, 2 and 3-Motor Dust Director Vacuums. With a Dust Director Vacuum you'll always be working with a clean cartridge filter.

 

OSHA's Silica Dust Exposure Law.  Dust Extractor information & requirements.  OSHA's Final Rule Is NOW the Law.  Are you in compliance?

Ridgid Vacuum.Comparison.  Are you using a common wet/dry shop vac for dust control?

 

 

OSHA's Silica Dust Exposure Law -
Effective Date:  23 June 2016, Compliance Date:  23 June 2017.

 

Are You In Compliance?  

 

The Dust Director® has been used and has figured prominently in just about every silica dust control study since its inception in 2001.

 

 

Dust Director, Bosch grinder and a Manometer.

The Dust Director® attached to a Bosch angle grinder and a manometer to monitor silica dust exposure.

 

Bosch grinder grinding brick mortar joints - without using the Dust Director.

Grinding brick mortar joints without using the Dust Director®.

 

Grinding brick mortar joints using the Dust Director.

Grinding brick mortar joints using the Dust Director®.

 

How about Your Vacuum?

Does your vacuum have enough CFM to handle your wheel's diameter?

OSHA's Silica Dust Exposure Law - Requires the following CFM Rating:  25 CFM or greater per inch of wheel diameter.  For example, a 7" wheel needs 175 CFM (7" x 25 CFM).

 

Final Rule - CFM Requirements

To comply with OSHA's Silica Dust Exposure Law, one of your first steps is to select a vacuum or cyclone that has enough CFM to handle the diameter of the grinding or cutting wheel that you will be using.  Use the chart and information below to help you select the vacuum that will have enough CFM.

Wheel Diameter * Required CFM Dust Director® Models - CFM Rating
** Vacuum Model
- CFM Rating
** Cyclone Model
- CFM Rating
4.5" 112.5 DD1000 - 130

DD1200 - 140

CP1200 - 160

DD2000 - 260

DD2000S - 260

DD2400 - 318

DD3900 - 447

C2000S - 270

C2400SD - 315

C2400M - 315

C2400B - 315

C3900B - 340

5" 125
6" 150
7" 175
10" 250
12" 300
14" 350
16" 400
 *  OSHA's Required CFM Rating:  25 CFM or greater per inch of wheel diameter.
 ** Small, Compact, Powerful 1-Motor Models (10 & 12 gallon tanks)  DD1000, DD1200, DD1500, CP1200
 ** 2 & 3-Motor Models with 24 Gallon Tanks DD2000, DD2400, DD3900 (240 volt)

C2000S, C2400SD, C2400M (Longo Pac)

 ** 2 & 3-Motor 55 Gallon Drum Models  C2400B, C3900B (240 volt)

 

 

 

Features, Specifications.

 
Well Balanced.  Both models are complete with Safety Loop Handle & Blade Visibility Window.
"The saws feel good and safe in your hands."
The weight of a tool when cutting or grinding on a wall is always a concern for both operator safety and productivity.
When using the saws on their side (horizontal cutting), the following features help to balance the saw's weight:
  • Safety Loop Handle for holding and operating the saw.
  • The Guards themselves and Loop Handle are made of aircraft aluminum for Lightweight Durability.
  • Blade Visibility Window provides the Operator with a Site Line during Sideways Cutting.

Complete with HD Loop Handle for safe and secure handling.

Safety Loop Handle & Blade Visibility Window are included with each 10" and 12" Dust Director®.

10" Dust Director, complete with Safety Loop Handle & Blade Visibility Window.

Weightless Saws - Well Balanced Designed ~

When holding the saws during sideways cutting, it is the combination of the aluminum guard, loop handle, and the blade visibility window that counterbalances the saw so well they feel like they are weightless.

 

10" Dust Director - Individual Features:
  • Extremely Lightweight, Compact Saw --- Net weight:  12.6 lbs. ~ Very nice, compact saw to work with, especially while horizontal or holding the saw sideways and cutting on walls.

  • Soft start motor delivers more power.

  • Depth-of-Cut, with 10" blade:  3-1/4".

  • Complete 10" Saw includes 10" Dust Director Guard, Makita GA7011 angle grinder (15.0 Amp, 6000 RPM), safety loop handle, 3" blade clamps (2).

  • Over 98% Dust Containment Efficiency ~ when used with the Dust Director® 1-Motor DD1200 Vacuum.  A higher containment percentage can be obtained when used with a 2 or 3-Motor Dust Director® Vacuum.

12" Dust Director - Individual Features:
  • High Torque, "No Electronics" Angle Grinder 

  • Depth-of-Cut using 12" blade:  4-1/4"

  • Complete 12" Saw includes 12" Dust Director Guard, Makita GA 9020 angle grinder (15.0 Amp, 6000 RPM), safety loop handle, 3" blade clamps (2).

  • GA9020 grinder's protective zig-zag varnish seals the armature from dust and debris plus labyrinth construction seals and protects the motor and bearing from dust and debris

  • AC/DC switch for use with generators

  • Overall length:  18-5/8", Net Weight:  17.9 lbs.

  • Over 95% Dust Containment Efficiency ~ when used with the Dust Director® 1-Motor DD1200 Vacuum.  Higher containment percentage when used with a 2 or 3-Motor Dust Director® Vacuum.

 

 

 

 - - -  Applications & Efficiency of the 10" & 12" Dust Directors  - - -

 

10" Dust Director® ---  The contractor here received a huge fine for polluting both the air and water.

Without using silica dust control.

 

With dust control - Using the 12" Mini Dustless Cut-Off Saw.On the same water project they started used the 10" Dust Director®.  And the field superintendent actually received accolades for purchasing the 10" Dust Director® . . . 

along with the DD1200 1-Motor Dust Director® Vacuum, equipped with a 12 gallon collection tank and 2" x 25' hose.

 

 

 

 

Masonry Cutting with the 10" Dust Director®
---  Vertical & Horizontal Cutting  ---

10" Dust Director.  Easy to Hold for Vertical Cuts.Model:  LW-DD.  10" Mini Dustless Cut-Off Saw.  Easy to hold for horizontal cutting.Easy, Comfortable, Safe to Hold ~ 

Always with complete blade visibility AND without the dust.

 

12" Dust Director® --- Videos of the 12" Dust Director:

 

Contractor installed the 12" Dust Director on his Husqvarna Saw. 

14" Gas Director Video. Click on Video Clip

 

The same contractor was so impressed with its dust control that he removed the outside blade cover and still had 96% dust containment!

14" Gas Director Video. Click on Video Clip

 

 

 

Considering OSHA's Silica Dust Exposure Law that requires 25 CFM per 1" of diamond blade diameter, a 12" blades requires a vacuum with 300 CFM (12" x 25 CFM).

How Effective are the Dust Director Guards?  The following video shows the 12" Dust Director® being used with the Dust Director's DD1200 Vacuum.  This particular vacuum produces half the required CFM (150 CFM).

 

--  Video  --

12" Dust Director® being used with a 1-Motor Dust Director® Vacuum.

Pulse 'n Shake - Self-Cleaning - Filter Video.

Click on the Video Clip - See how effective a Dust Director is . . . 

Even when connected to a vacuum cleaner that produces only half of the OSHA required CFM, you'll see how over 95% of the silica is contained. 

The design of the 12" Dust Director has a lot to do with it!

 

 

Pricing, Ordering - Individual Guards & Combination Kits.

Product Liability, Safety Notice, Manufacturer's Warranty.

The Dust Director® is a viable component for use on an angle grinder to protect the operator, bystanders and the environment from the hazards of created airborne silica dust.

However, upon the buyer and/or user’s attachment of the Dust Director® to the angle grinder, such a modification may void the manufacturer’s warranty of the angle grinder particularly when an oversize blade is used.

Additionally, due to product liability insurance, the Buyer and/or User are now notified that by using the assembled "saw" they do so at their own risk, accept all risks, and indemnifies all parties associated with the Dust Director®.

 

10" & 12" Dust Directors --- Individually Priced
10" Dust Director®  12" Dust Director® 
 

Just the 10" Guard - To install onto your angle grinder:

$420.00     
10" Dust Director Guard Kit, Model:  DD10G.

Note:  While the 10" Dust Director has been specifically designed to fit the Makita 9" GA7011 Angle Grinder, the attachment collar apparently (?) fits other brands of 7" and 9" grinders as well . . . (as per conversations with contractors).

10" Guard Kit includes:  10" Guard, inner and outer blade flange nuts, loop handle, and hex nuts (2) for fastening the loop handle. 

 

Complete 10" Dust Director® -

$600.00     
10" Dust Director Saw Kit, Model:  DD10S.  

Saw Kit includes:  10" Guard, Makita GA7011 angle grinder (guard not attached to grinder as per product liability),  inner and outer blade flange nuts, loop handle, hex nuts (2) for fastening the loop handle.

GA7011 GRINDER SPECIFICATIONS:

  • 15 Amp, 6000 RPM, Overall Length:  17-7/8", Net Weight:  7.5 lbs.
  • Soft start motor delivers more power for increased performance
  • Electronic speed control maintains constant speed under load.
 

Just the 12" Guard - To install onto your angle grinder:

$420.00     
12" Dust Director Guard Kit, Model:  DD12G.

Note:  While the 12" Dust Director has been specifically designed to fit the Makita 9" GA9020 Angle Grinder, the attachment collar apparently (?) fits other brands of 9" grinders as well . . . (as per conversations with contractors).

12" Guard Kit includes:  12" Guard, inner and outer blade flange nuts, loop handle, and hex nuts (2) for fastening the loop handle. 

 

Complete 12" Dust Director® -

$600.00     
12" Dust Director Saw Kit, Model:  DD12S.  

Saw includes:  12" Guard, Makita GA9020 angle grinder (guard not attached to grinder as per product liability),  inner and outer blade flange nuts, loop handle, hex nuts (2) for fastening the loop handle.

GA9020 GRINDER SPECIFICATIONS:

  • 15 Amp, 6000 RPM, Overall Length:  18-5/8", Net Weight:  12.8 lbs.
  • No Electronics, AC/DC --- For use with generators
  • Zig-Zap Protective Varnish Seals the armature from dust and debris plus labyrinth construction seals and protects the motor and bearing from dust and debris.

~  Free Dust Director / Grinder Combo + Free Shipping ~
 
10" Dust Director®  12" Dust Director® 

 

   $ Free *    DD10S     #DD10S is Free with purchase of any mix of 10", 12", and 14" Diamond Blades;  Plus Free Shipping.

Lightweight - 10" Dust Director Cut-Off Saw, 3-1/4" Depth-of-Cut.10" Dust Director Saw Kit --- Equipped as follows:

10" Guard
>  Makita GA7011 angle grinder (guard not attached to grinder as per product liability)
>  Inner and outer blade flange nuts
>  Loop handle
>  Hex nuts (2) for fastening the loop handle.

 

 

ICS Price List - Diamond Blades.To receive the above Free 10" Dust Director & Makita GA7011 Angle Grinder, proceed as follows:  

  • Select the Free 10" Dust Director, DD10S, from above.

  • For each Free DD10S, select any assortment of twenty (20) Diamond Blades --- blade sizes:  10", 12" and 14".

  • To purchase the diamonds:  Go to Diamonds (Top of Page) or click on the blade selections below.

  • Use best column pricing when selecting your diamonds.

  • Complete order (saw and 20 blades) Ships Free.

 

   $ Free *    DD12S     #DD12S is Free with purchase of any mix of 12", and 14" Diamond Blades;  Plus Free Shipping.

Heavy-Duty - 12" Dust Director Cut-Off Saw, 4-1/4" Depth-of-Cut.12" Dust Director Saw Kit --- Equipped as follows:

12" Guard
>  Makita GA9020 angle grinder (guard not attached to grinder as per product liability)
>  Inner and outer blade flange nuts
>  Loop handle
>  Hex nuts (2) for fastening the loop handle.

 

 

ICS Price List - Diamond Blades.To receive the above Free 12" Dust Director & Makita GA9020 Angle Grinder, proceed as follows:  

  • Select the Free 12" Dust Director, DD12S, from above.

  • For each Free DD12S, select any assortment of twenty (20) Diamond Blades --- blade sizes:  12" and 14".

  • To purchase the diamonds:  Go to Diamonds (Top of Page) or click on the blade selections below.

  • Use best column pricing when selecting your diamonds.

  • Complete order (saw and 20 blades) Ships Free.

 

---  DIAMOND BLADE SELECTIONS  ---
Black Turbo Segment.  Our best blade for hard material, even stone.
X-Hard Material Cutting
~ Extremely Fast & Smooth Cutting!
Turbo Segment Diamond Blades - Tall 15MM (1/2" +) Segment Height ~ General Purpose to Hard Material.
Turbo Segment - General Purpose Cutting
Joint Sealant Cutter Blade, 4-1/2".

Joint Sealant Removal ~ Slices joint sealant from expansion joints without melting the sealant.

HD Segment Concrete / Longest Lasting Blades.

Professional Grade
HD Cutting

HD Gladiator "All-Kut" Blade - Incredible Performance, Versatility, Life & Speed.

Professional All Cut - Concrete to Asphalt to Ductile

Gladiator - Professional Lazer Welded Blade for Exceptionally Hard Material.

Gladiator Series - Fast Cutting, Recommended for the hardest of concrete.

Zorro Blade - The one blade that cuts concrete, PVC pipe,  fiberglass panels, wood, metal studs and lath, etc.

Zorro - Cuts through Concrete, Fiberglass, Metal Studs, PVC, Wood, Plaster, Lath, Ductile, Nails ~ At the Same Time!

 

 

Testimonials 
"My men absolutely love these saws . . .

It's really lightweight (10" Saw), they even started using them without the vacuum!"

Masonry Restoration Contractors -  Boston, MA;  Chicago, IL;  New York

 

"I like the handle, it feels good . . .

Do I have to hook-it-up to a vacuum to use it?  Using this saw is far nicer than using our quickie saws . . .

I love the blade . . . it cuts fast and smooth . . . it doesn't jump . . ."

Masonry Restoration Contractor, Pittsburgh, PA

 

 

 

Purchase any of your above selections and click the Buy Now button to add or save your items to the Shopping Cart.

From the Shopping Cart you are able to:

  • Modify your selections
  • Return to the web site for additional viewing and purchasing
  • Choose a Payment Type and Check-Out
  • Two Payment Types are available:
    • Credit Card - ICS accepts Master Card, Visa, Discover
    • "Request Contact" - ICS will call you.  You may prefer to provide your payment information over the phone or you may want to discuss your application and you would like additional product information.
After you Check-Out from the Shopping Cart, you will receive an Order Confirmation for your review.

 

 

Vacuum Packages - With purchase of a 10" or 12" Dust Director® (from above).

1, 2 & 3-Motor Dust Director® Vacuums with Non-Blinding AIRFlow HEPA Filtration:

  • Complete with everything you need for a complete dustless grinding system.

  • Models include (20) Filter Collection Bags for Non-Stop Suction Power and Clean, No-Mess Handling and Disposal of Debris.

 

Extreme Filter Bags install into wet/dry vacuums with an inlet port - Tanks stay clean, cartridge filters stay clean - even after collecting 140 lbs. of dry concrete dust.AIRFlow HEPA FILTER SYSTEM:

  • Expect to grind concrete all day and everyday without caking the filters, without suction drop, without dirtying the HEPA cartridge filter.

  • All of the debris, whether it be dry powder, moist debris or hot mastics - everything goes into and is completely contained within the Clean Extreme Filter Collection Bags.

  • Expect to replace the HEPA cartridge filter maybe once a year.

 

Models - Dust Director Vacuums

Model Numbers DD1000 Watt - 9.0 Amp with AIRFlow HEPA Filtration.

Model:  DD1000

DD1200 Watt - 10.5 Amp with AIRFlow HEPA Filtration.

Model:  DD1200

DD1500 Watt - 12.5 Amp with AIRFlow HEPA Filtration.

Model:  DD1500

DD2000 Watt - 18.0 Amp with AIRFlow HEPA Filtration.

Model:  DD2000

DD2400 Watt - 19.5 Amp with AIRFlow HEPA Filtration.

Model:  DD2400

Tank Size 10 Gallon, Poly 12 Gallon, HD Poly 12 Gallon, HD Poly 24 Gallon, HD Poly 24 Gallon, HD Poly

Vacuum Size, Weight

12" x 27", 15 lbs.

14" x 29", 28 lbs.

14" x 29", 28 lbs.

19.5" x 17" x 38", 48 lbs.

19.5" x 17" x 38", 50 lbs.

Inlet Port Size
Hose & Cuff
2" Inlet Port.  2" x 12' lightweight and flexible hose with smooth bore interior.
2" ID Soft Vinyl Hose Cuff for attachment to the dust barrel on the Dust Director Guard.
Power 1-Motor, 2-Stage
1000 Watts, 9.0 Amps
1-Motor, 2-Stage
1200 Watts, 10.5 Amps
1-Motor, 3-Stage
1500 Watts, 12.5 Amps
2-Motor, 2-Stage
2000 Watts, 9.0 Amp x 2, 1000 Watts x 2
3-Motor, 1-Stage
2400 Watts, 6.5 Amps x 3, 800 Watts x 3
Airflow / Waterlift 130 CFM / 78" H20 140 CFM / 88" H20 140 CFM / 146" H20 260 CFM / 97" H20 270 CFM / 83" H20
Tank Collection Capacity * 30 lbs. 40 lbs. 40 lbs. 150 lbs. 150 lbs.

 

* In the Dust Director's working relationships with OSHA, NIOSH, The Center to Protect Workers Right (CPWR) and the Masonry Union (BAC), various studies have shown:

  • 80 lbs. of silica dust are created in 8 hours when grinding brick mortar joints (1/4" wide x 1/2" deep)

  • On soft mortar, 110 lbs. of silica dust is created.

With a Dust Director Vacuum, with the filter system maintaining optimum suction, your productivity is only limited to the size of the collection tank (i.e. the smaller the tank the more times you'll stop to empty it, but you'll never have to stop to clean the filter).  Ideally, you'd like to grind brick mortar joints for at least half the day before you have to empty the tank.

 

Individual

Model

Features

----------------

Model

Comparisons

 

Model:  DD1000
1-Motor, 10 Gallon

15 to 20% greater suction power than any other "dust control" 1-Motor Vacuum on the market, including:  Bosch, Fein, Dewalt, Makita and Metabo.

How powerful is the suction performance of the DD1000?  It easily handles our 12" Dust Director Cut-Off Saw.

12" Dust Director Cut-Off Saw.  4-1/4" Depth-of-cut.  Lightweight - Easy to Handle - Complete Blade Visibility - No Dust.

 

Model:  DD1200
1-Motor, 12 Gallon

20% greater suction power than the DD1000.

Extremely Portable & Powerful.

Expect to collect 40 lbs. of silica dust (the dust will accumulate to the tank's inlet port with suction drop.)

40 lbs. of silica is roughly 4 hours of grinding concrete.

For power, sustained suction, portability, versatility and collection yield ~ the DD1200 may well be the best dust control 1-Motor Vacuum in the USA.

 

Model:  DD1500
1-Motor, 12 Gallon

Identical to the DD1200 Vacuum but with a more powerful 3-Stage Motor ~

Provides 2-Motor Suction in a Compact 1-Motor Vacuum.

Individual "on/off" switches for each motor.

Model:  DD2000
2-Motor, 24 Gallon

High Productivity Vacuum ~

2-Motors operate all day from 15 amp circuits.

Collect 150 lbs. of concrete dust without suction drop.

Model:  DD2400
3-Motor, 24 Gallon

Y-SPLITTER:  2 can grind concrete all day without having to clean the filter or to empty the tank.

Same features as the 2-Motor Vacuum but with 3 motors you'll need a 20 amp circuit.

Incredible versatility and collection yields in a 120 volt vacuum.

Extremely Powerful, Impressive Suction in a "low amperage" 3-Motor Vacuum.

 

Vacuum

Package

Prices

 

$390.00 

Equipped with:  AIRFlow HEPA Filtration, 2" x 12' lightweight flexible hose, 2" ID hose cuff, (20) Clean Extreme Filter Bags.

 

$590.00   

Equipped with:  AIRFlow HEPA Filtration, 2" x 12' lightweight flexible hose, 2" ID hose cuff, (20) Clean Extreme Filter Bags.

 

$690.00 

Equipped with:  AIRFlow HEPA Filtration, 2" x 12' lightweight flexible hose, 2" ID hose cuff, (20) Clean Extreme Filter Bags.

 

$1,390.00 

Equipped with:  AIRFlow HEPA Filtration, 2" x 12' lightweight flexible hose, 2" ID hose cuff, (20) Clean Extreme Filter Bags.

 

$1,590.00 

Equipped with:  AIRFlow HEPA Filtration, 2" x 12' lightweight flexible hose, 2" ID hose cuff, (20) Clean Extreme Filter Bags.

 

 

 

Still Using a Standard Wet / Dry Vacuum as a Dust Extractor?

 

Shop Vac - 16 Gallon Tank with 2-1/2" x 6' Hose.

Shop Vac - $94.97

Ridgid Vacuum - with 2-1/2" x 6' Hose.

Ridgid - $99.00

Shop Vac - with 2-1/2" x 6' Hose.

Shop Vac - $116.97

 

Compare & Consider . . . Shop Vac and Rigid Vacuums have their place.  We all have one.
With OSHA's Final Rule:  You Will Get Fined Using a Non-Compliance Dust Extractor.

 

KNOW THE RULE:

OSHA's Final Rule to Protect Workers from Exposure to Respirable Crystalline Silica

Rule requires engineering controls (tools and equipment) to keep workers from breathing silica dust.

What is Respirable Silica Dust?  These tiny particles (known as "respirable" particles) can penetrate deep into workers' lungs and cause silicosis, an incurable and sometimes fatal lung disease.  Crystalline silica exposure puts workers at risk for developing lung cancer and other possible debilitating respiratory diseases such as chronic obstructive pulmonary and kidney disease.

How Much Respirable Silica Dust is Safe to Breath?  OSHA has issued their Final Rule to curb these respirable and kidney diseases in America's work force by limiting a worker's exposure to respirable crystalline silica to 50 micrograms per cubic over an 8-hour shift.

Packet of sugar - example of 53 micrograms.What Does 50 Micrograms of Respirable Silica Dust Look Like?  A good example may be one of those small paper packets of sugar or artificial sweeteners found in restaurants.

When used to demonstrate the dust concentration inside a building, the size of a football field (100 yards x 53 yards x 14' high).  The weight of one of those little packets is 53 micrograms, which is slightly over the PEL (permissible exposure limit) for Silica Dust of 50 micrograms.

Such a fine dispersing of dust at this concentration would essentially be invisibility.  It is also enough to put the workers at risk by contaminating the work area --- the size of a football field x 14' high.         

 

OSHA_Photo_1.jpg (848150 bytes)OSHA's Respirable Silica Dust Law - Effective:  23 June 2016.  Since 1999, the Dust Director® has been involved with various organizations aimed at improving the health and safety on construction sites.  On a meeting, dated 23 April 2014, the Dust Director® was invited to participate in a discussion about OSHA's upcoming Silia Dust Standard.  Besides the representatives from OSHA, the following organizations were also present:

  • NIOSH

  • CPWR (Center for Construction Research and Training)

  • Various university research scientists and professors

  • Health and environmentalist

  • Mike Kassman, National Safety Coordinator for the International Masonry Institute (IMI)

  • Jerry Scarano, Vice President of the International Union of Bricklayers and Allied Craft Workers (BAC).

In past meetings, by the use of various air testing meters, NIOSH determined that the Permissible Exposure Limit (PEL) of a worker being exposed to silica dust should not be greater than 93.4.  [On record, NIOSH tested the Dust Director® System (dust control guard and vacuum), and determined the complete system "provided the greatest reduction of capturing silica dust at 94% than any other vacuum and dust guard that was tested.]

Currently, to simplify the understanding and importance of containing silica dust exposure, OSHA and all parties involved, have adopted the buzz phase of "visible dust," as their measurement of whether silica exposure is being sufficiently contained for both the workers and public.

 

OSHA_Photo_6.jpg (988907 bytes)CASE STUDY:  Dust Left to Fly from a Skyscraper ~ An interesting case study was provided by a Detroit contractor who was tuck pointing at a high rise office building in downtown Detroit, 35 floors above the sidewalks.  A summarization of his findings on silica dust exposure is as follows:

  • Two workers were tuck pointing an office building, 35 floors up, without the use of dust control

  • The thinking was, to leave the silica fly and let it disburse into the sky . . . that it wouldn't harm anyone or anything

  • As the safety coordinator for the company, he monitored the air quality of his workers

  • His air quality readings were as follows:
    >  Employee "A" was working in air quality that measured 85 times over the NIOSH established PEL
    >  Employee "B", working downstream from employee "A", was receiving a concentrated dose of dust as his air quality measured 135 times over the PEL!

While this case study shows how "visible dust" may be seen, more importantly was the moral obligation we need to take for our construction workers, the public, and the environment.

 

Dust Emissions --- Does Your Vacuum Leak Dust?

Dust linkage, from a standard type wet/dry vacuum. Dust linkage (rear view) from a standard type wet/dry vacuum.

Check your vacuum!  With OSHA'S "No Visible Dust Law", is there a gasket beneath the motor head to seal the tank?

With the OSHA ruling You will get fined using a vacuum that leaks.

  • With a Dust Director® Vacuum, Like-New Suction is Every Time -
    Unlike other vacuum cleaners where the same cartridge filter is used again and again and again . . .

  • With a Dust Directo® Vacuum, the HEPA cartridge filter stays clean.
    While it may get dusted, it will never become caked
    ~ Guaranteed.

 

Poured in place urethane gasket, beneath the head of a Dust Director Vacuum.Urethane Motor Head Gasket.  Beneath the motor head of every Dust Director® Vacuum & Cyclone is a poured-in-place urethane gasket that is used to ensure a positive airtight seal between the motor head and its tank.  Commonly used shop vacuums and even higher priced vacuums will use foam or nothing at all.

The urethane gasket ensures against dust leakage into your work area and prevents even the slightest loss of vacuum which would naturally reduce suction power.  Many wonder how the suction of a Dust Director® Vacuum and Cyclone seems so much more powerful than other brands, one of the reasons is the urethane gasket.

Dust Director's Increase in Suction Power?  While a complete Dust Director System (vacuum and dust guard) have been successfully monitored by NIOSH to operate within the guidelines of their established PEL, a very important  feature in all of the Dust Director® Vacuums and Cyclones is the poured-in place urethane gasket.

While some vacuums use foam as a gasket, 90% of all vacuums use nothing!  This startling statistic includes vacuum's that cost well over $2000 dollars.  While the Rigid vacuum, for example, does not use any type of gasket (while leaking profusely), the consensus among morally conscience contractors is a Rigid vacuum is simply not designed to be used for silica dust containment.

 

 

Dust Director® vs. the Competition:

 

 
Bosch Vacuum.

Bosch

Fein Vacuum.

Fein

Hilti Vacuum.

Hilti

Ridgid Vacuum.

Rigid

On a visit to masonry tuck pointers in Chicago and Detroit, the suction power of the Dust Director® Vacuums was compared to the Bosch 3931 Airsweep, Hilti VC20 and Fein Turbo I vacuums.  Simply by placing our hand over the inlet port of  each vacuum, the following was the agreed upon results:

  • Dust Director® Model DD1000:  15% greater suction vs. Bosch & Fein, 25% greater suction vs. Hilti

  • Dust Director® Model DD1200:  Easily 20% greater suction than the DD1000

  • Both Dust Director® models where considerably lighter than Bosch, Fein and the Hilti vacuums.

 

 

 

 

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Products manufactured and marketed by and for Dust Director® are protected by patents issued or pending in the United States and other countries.  Dust Director® is a registered US patent and trademark owned by Dustless, Inc., an independently owned and operated company;  all pictures, names and logos reserved.

15061 Route 30
N. Huntingdon, PA  15642
Ph:  412.824.6933
Fax:  412.824.4704

E-Mail ICS - With comments, product questions, etc.

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