Solution Summary: Brick, Stone and Paver Splitters
Description:
Cutting pavers, bricks, blocks, stones and other masonry materials generates a large amount of dust which may contain high levels of crystalline silica and creates a hazard for everyone in the vicinity. Mechanical, pneumatic or hydraulic splitters have been used to cut or break bricks, concrete block, stone, and pavers for many years. In recent years masonry saws have become more popular, but splitters are an alternative that generate less dust and less noise than power masonry dry saws.
Increasingly, nano-enabled masonry products are being used in construction that can also expose workers to inhaling engineered naomaterials, such as nano-sized titanium dioxide, when the products are cut in the absence of engineering controls that reduce exposures.
Take care to identify a product that will accommodate the size of the brick, block or stone you intend to cut.
Blockshear, LLC masonry, stone and slab splitters
Models | Splitting Force, pounds | Weight, pounds | Maximum Cutting Dimensions, inches |
Air-assisted/manual mini stone splitter | 24,000 | 90 | 4-1/4 high by 12 wide |
Air-assisted/manual masonry block splitter | 40,000 | 160 | 8-1/4 high by 18-1/4 wide |
Air-assisted/manual stone splitter | 40,000 | 330 | 8-1/4 high by 18-1/4 wide |
Air-assisted/manual stone & slab splitter | 40,000 | 400 | 8-1/4 high by 24.5 wide |
![](/gallery/image/stone-splitter-img.png)
Stone Splitter (Photo courtesy of Blockshear, LLC.)
Pave Tech, Inc. CompactSplitter
- Used for splitting concrete products (not natural stone)
- Cutting length: 6 inches
- Cutting height: 4 inches
![](/gallery/image/0PTcompactsplitter.jpg)
(Photo courtesy of PAVE TECH / PROBST, INC.)
Pave Tech, Inc. PaverSPLITTER
- Used for splitting concrete bricks and pavers (not natural stone)
- Cutting length: 13 inches
- Cutting height: 3/8 to 4-3/4 inches
- Weight: 91 pounds
![](/gallery/image/0PTpaversplitter.jpg)
(Photo courtesy of PAVE TECH / PROBST, INC.)
Pave Tech, Inc. Wall Splitter
- Used for splitting bricks, blocks and pavers (not natural stone)
- Cutting length: 17 inches
- Cutting height: 3/8 to 12 inches
- Weight: 145 pounds
![](/gallery/image/0PTwallsplitter.jpg)
(Photo courtesy of PAVE TECH / PROBST, INC.)
Pave Tech, Inc. Slab Splitter
- Used for splitting slabs, bricks, blocks and pavers (not natural stone)
- Cutting length: 25-1/2 inches
- Cutting height: 4-3/4 inches
![](/gallery/image/0PTslabsplitter.jpg)
(Photo courtesy of PAVE TECH / PROBST, INC.)
Pave Tech, Inc. Electric Hydraulic Splitter
- Used for splitting natural stone, blocks and concrete and clay pavers
- Power source: 12 volt battery with 110 volt charger
- Cutting length: 17 inches
- Cutting height: 8 inches
- Cutting force: 46,300 pounds
- Weight: 300 pounds
![](/gallery/image/0PTelectricsplitter.jpg)
(Photo courtesy of PAVE TECH / PROBST, INC.)
Pave Tech, Inc. MegaSplitter
- Used for splitting limestone and other hard natural stone
- Power source: 110 volts
- Cutting length: 35-1/2 inches
- Cutting height: 1.6 to 14.5 inches
- Cutting force: 88,0000 pounds
- Weight: 770 pounds
![](/gallery/image/0PTmegasplitter.jpg)
(Photo courtesy of PAVE TECH / PROBST, INC.)
Risks Addressed:
Silica dust exposure may cause silicosis or lung scarring with prolonged exposure. Silicosis is an incurable, sometimes fatal, disease. The OSHA permissible exposure limit (PEL) for respirable crystalline silica is 0.05 mg/m3 as an 8-hour time weighted average. The NIOSH-recommended exposure limit (REL) is 0.05 mg/m3 as a time-weighted average concentration for up to a 10-hour workday during a 40-hour workweek. This is one-half of the OSHA standard when the dust is pure silica, but still twice the ACGIH-recommended threshold limit value (TLV) of 0.025 mg/m3. Silica has also been associated with lung cancer and chronic obstructive pulmonary disease (COPD).
Another less understood, but emerging hazard is engineered nanomaterials. Incredibly small particles are being added to a broad range of construction products to improve performance, but animal toxicity tests indicate a need for closer scrutiny. There is no evidence yet that engineered nanomaterials have caused harm in exposed workers. However, it is most important that exposures be limited and that precautionary approaches be used to reduce exposure and protect construction workers from the potential hazards of engineered nanomaterials. Nano-size ultrafine titanium dioxide, which can be present in nano-enabled masonry products, has been found to cause inflammation of the lungs and lung cancer in lab animals. The National Institute for Occupational Safety and Health (NIOSH) has determined that ultrafine titanium dioxide should be considered a potential occupational carcinogen. Other engineered nanomaterials that may be present in nano-enabled construction materials used in masonry work could also have the potential to cause harm when inhaled by construction workers. Cutting nano-enabled concrete roofing tiles containing titanium dioxide without vacuum dust controls can generate excessive amounts of airborne dust that if inhaled by workers could increase the risk of developing respiratory disease (West GH, et al 2016).
OSHA has no specific regulation or Permissible Exposure Limit (PEL) for any engineered nanomaterial. However, NIOSH has a recommended exposure limit (REL) for ultrafine titanium dioxide of 0.3 mg/m3 as a time-weighted average (TWA) concentration for up to 10 hours/day during a 40-hour week. The intent of the REL is to lower the risk to workers of the potential for developing lung cancer.
How Risks are Reduced:
Compared to masonry saws, masonry splitters generate less airborne particulate resulting in lower concentrations in the worker’s breathing zone and reduced exposures to respirable dust and silica. Masonry splitters are also likely to reduce exposures to engineered nanomaterials when used for work on nano-enabled masonry products.
Sheehy et al. observed approximately a 100 fold reduction in respirable dust concentrations during the use of a Hytile Tilecutter compared to masonry saws. “The direct-reading sampling results for day one sampling show that the average respirable dust (relative) exposure was 0.014 mg/m3 with the Hytile Cutter and 2.5 mg/m3 using the Bosch saw.” On day two, “The average dust concentration was 6.5 mg/m3 for the gas powered Partner saw and 0.08 mg/m3 with the Hytile Cutter or almost two orders of magnitude higher for the Partner saw.”
Experts also believe that splitters will also produce similar reductions in exposures to engineered nanomaterials.
There are no reports of the effect of splitters on reducing exposures to engineered nanomaterials found in masonry products. However, there is evidence that engineering approaches in general can substantially reduce such exposure. CPWR – The Center for Construction Research and Training demonstrated that local exhaust ventilation (LEV) equipped on a hand-held masonry saw was effective in substantially reducing exposures to both respirable dust and titanium dioxide while cutting nano-enabled concrete roofing tiles that contained titanium dioxide. Tiles were cut completely through in a controlled chamber setting and in the absence of vacuum dust controls, excessive amounts of visible dust was generated. When LEV was used, statistically significant reductions in mean concentrations of respirable dust and airborne titanium dioxide were obtained. Reductions in mean exposure concentrations were 95% or greater when LEV was used and the concentration of airborne titanium dioxide were below the NIOSH REL for both fine (2.4 mg/m3) and ultrafine (0.3 mg/m3) titanium dioxide. (West GH, et al 2016).
Effects on Productivity:
Additional Considerations:
Some masonry splitters are powered with electrical power or pressurized air from a gasoline or electrical air compressors.
Contributors:
Bruce Lippy, PhD, CIH - CPWR - The Center for Construction Research and Training
Michael R. Cooper - Aria Environmental, Inc.
Bill Kojola, MS
Availability
PAVE TECH / PROBST, INC.
To obtain information, visit Masonry, stone and slab splitters
or contact 1-952-226-6400 sales@paveedge.com
Blockshear, LLC
To obtain information, visit Masonry, stone and slab splitters
or contact 1-412-445-0703 ray@blockshear.com
Belle Group 155.9.000 Minipave Concrete Paving Block Splitter
To obtain information, visit http://constructioncomplete.com
or contact 1-800-889-0661
Kraft Tool Company Mini Brick Splitter
To obtain information, visit http://www.krafttool.com
or contact 1-800-422-2448 sales@krafttool.com