The 26-member Construction Industry Safety Coalition (CISC) has formally requested the Occupational Safety and Health Administration revise the Occupational Exposure to Respirable Crystalline Silica – Specified Exposure Control Methods standard (silica rule), thereby expanding compliance options and recognizing sub-threshold dust levels typical of masonry sawing and mortar mixing.
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Source: Zoomlion Heavy Industry Science & Technology Co., Ltd., Shanghai
Zoomlion subsidiary m-tec has announced the availability of the Duo-mix mortar mixer in North America, Europe and Asia. The adaptable machine is designed especially for mortar used in 3D construction printing. It can process all standard dry mortar products ranging from bagged or silo to bucket coat material up to a grain size of 4mm.
Read MoreSources: Construction Industry Safety Coalition, Associated Builders & Contractors, Washington, D.C.; CP staff
The 26-member Construction Industry Safety Coalition (CISC) has formally requested the Occupational Safety and Health Administration revise the Occupational Exposure to Respirable Crystalline Silica – Specified Exposure Control Methods standard (silica rule), thereby expanding compliance options and recognizing sub-threshold dust levels typical of masonry sawing and mortar mixing.
Read MoreSources: Sika AG, Baar, Switzerland; CP staff
The Swiss parent of New Jersey-based admixture and construction products supplier Sika Corp. projects a second or third quarter closing on Parex, a key player in facade, technical and waterproofing mortars, plus tile adhesives. Sika AG will acquire the business, which reported 2018 sales of $1.1 billion, from a fund of CVC, a global private equity and investment advisory firm.
Read MoreSources: Sika Corp., Lyndhurst, N.J.; CP staff
Sika has wrapped up the 2017 by dedicating an admixture and mortar production facility near Houston. Geared to Texas and Southwest markets, the plant is the company’s 22nd in the U.S. and equipped for production of polymers central to high performance admixtures.
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The company has formulated a single-component, cementitious mortar for thin repairs to concrete substrates.
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Vertical Instant Lock is designed to securely affix stone and other hardscape materials to vertical surfaces in under five seconds. For many projects, product developers note, it can eliminate the need for bracing and mortar.
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Company’s Manhole Shield removes installation guesswork from final adjustment while affording what product engineers contend are immediate cost-savings by simplifying the process for long-term durability, reliability and safety. The system incorporates concrete grade rings, underground mortar, masonry shim strips and an impermeable barrier, promoting proper installation and reducing routine maintenance.
Sources: ASTM International, West Conshohocken, Pa.; Slag Cement Association (SCA), Farmington Hills, Mich.; CP staff
ASTM and SCA-developed Product Category Rules (PCR) will support customers seeking to issue an Environmental Product Declaration (EPD) for slag cement concrete or mortar, especially on green building projects where specifications stipulate or incentivize disclosure of raw material processing methods and chemical content.
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