Concrete Construction articles from January 2003

Concrete Construction archives from January 2003

The latest and greatest. (Editorial Comment).(innovations in concrete construction)(Column)
January 1, 2003... Part of my job--one of the very best parts--is keeping up with what's new and innovative in concrete construction. And despite what the general public may think, concrete construction does change, albeit more slowly than a field like consumer...

Pride in sidewalks. (Reader Response).(Brief Article)(Letter to the Editor)
January 1, 2003... I travel nationwide and try to get in a walk after a long day on the road. I'm often amazed at just how well some sidewalks look after decades in place. Those contractors who stamp in their names with the year as they place sidewalk sections...

Initial curing procedures. (Reader Response).(Brief Article)(Letter to the Editor)
January 1, 2003... My company is a ready-mixed concrete producer in central and west Texas operating 16 plants and two sand and gravel operations. A problem that I, and most likely every other concrete producer in Texas, have been dealing with for the past 10...

Icy cylinders. (Reader Response).(Brief Article)(Letter to the Editor)
January 1, 2003... The attached picture is real. It was taken on Saturday the 16th of November 2002. The overnight temperature was about 17[degrees]F, and when the picture was taken it was 11:00 a.m. on Saturday, a very nice day. It is very important that we...

Milwaukee masterpiece. (Reader Response).(Milwaukee Art Museum)(Brief Article)(Letter to the Editor)
January 1, 2003... I was very pleased to see the Milwaukee Art Museum featured in the September issue of CONCRETE CONSTRUCTION (Project of the Month, p. 16). It is truly a concrete masterpiece! The Wisconsin Ready Mixed Concrete Association's 2001 Masterpiece...

Testing flatness. (Reader Response).(Letter to the Editor)
January 1, 2003... I think that Sara D. (Sally) Ramsdell's request that CONCRETE CONSTRUCTION do comparison testing of the various test instruments available for measuring floor flatness (October 2002, p. 16-18) is right on the mark. Throughout the years, I have...

Risking innovation. (Reader Response).(Brief Article)(Letter to the Editor)
January 1, 2003... I just read your editorial on the risk of innovation "A Balancing Act" (Nov. 2002, p. 7) and enjoyed it very much. We are a small Canadian manufacturer of innovative fabric formwork and can relate very much to your comments. I agree that lack...

SDC and its goals. (Reader Response).(Strategic Development Council)(Brief Article)(Letter to the Editor)
January 1, 2003... I just read your editorial on the Strategic Development Council workshop you attended (November 2002). You are in a great position to help move the system towards expediting the penetration of new technology into our construction process. I was...

In memoriam. (News & Events).(Bryant Mather)(Obituary)
January 1, 2003... Dr. Bryant Mather, 85, died Wednesday, December 4, 2002. One of the nation's foremost experts on concrete, he retired in 2000 as the director of the Structures Laboratory of the U.S. Army Corps of Engineers in Vicksburg, Miss., but continued to...

ICC consolidation. (News & Events).(International Code Council)(Brief Article)
January 1, 2003... Members of the three leading building safety organizations have voted to consolidate their services, products, and operations. BOCA (Building Officials and Code Administrators), ICBO (International Conference of Building Officials), and SBCCI...

Residential ICFs are growing. (News & Events).(insulating concrete forms)(Brief Article)
January 1, 2003... The use of insulating concrete forms (ICFs) in the residential market increased 29% in 2001, accounting for 2.7% of all above-grade homes in the United States according to the National Association of Home Builders (NAHB) and the Portland Cement...

ICRI 2002 Project of the Year and Awards of Excellence winners. (News & Events).(International Concrete Repair Institute)(Brief Article)
January 1, 2003... The International Concrete Repair Institute (ICRI) has announced the winners of its 2002 Project Awards. The Marina del Rey Seawall Repair Project, Marina del Rey, Calif., was chosen as the ICRI 2002 Project of the Year. ICRI presented the...

President signs terrorism insurance legislation. (News & Events).(US President George W. Bush)(Brief Article)
January 1, 2003... According to Stephen E. Sandherr, chief executive officer of the Associated General Contractors of America (AGC), "This new law has the potential to unlock $15.5 billion or more in construction spending--spending that was slowed or cancelled...

Calendar.(Brief Article)(Illustration)(Calendar)
January 1, 2003... anuary 2003 International Builders' Show and tecHOMExpo, January 21-24, Las Vegas (800-368-5242, ext. 8132 or kwilbur@nabb.com) February 2003 World of Concrete, February 4-7, Las Vegas (888-562-4962 or...

I married a construction boss. (Tips & Trends).
January 1, 2003... The spouse of a construction boss is perhaps the most unsung hero or heroine of the construction industry. Since the majority of construction spouses are women, we dedicate this article to the great women who live with the ups and downs of the...

He said, she said. (Tips & Trends).(conflict resolution)
January 1, 2003... He suddenly decides that he'll have to be on the job this Saturday to keep it on schedule. She has her family reunion that day. Tension builds as he tries to explain the importance of the job while she reminds him how long it's been since the...

Concrete laborer dies. (Safety Report).(Brief Article)
January 1, 2003... A 23-year-old concrete laborer in North Carolina died when he was struck in the head by a backhoe bucket and pinned against the side of a residence. The victim was part of a two-man crew preparing an excavation to install a French drain around...

Building with concrete in Las Vegas: Le Reve and Mandalay Bay--two casino resorts built with concrete from the ground up.(Nevada)
January 1, 2003... Las Vegas, host for the 2003 World of Concrete, is a showcase for concrete construction. Nearly every casino on the strip begins construction with a structural concrete frame and finishes with the installation of decorative concrete hardscapes,...

Constructing slabs to receive moisture-sensitive flooring: managing water content in concrete floors that will have waterproof finished surface coatings, sealers, and overlay toppings installed on them.(includes related article)
January 1, 2003... Epoxy, urethane, tile, and other waterproof finishes can sometimes de-bond from slabs on ground as the result of water vapor being trapped at the bond layer. The repairs that follow can be expensive and result in lawsuits. Addressing the issues...

Air in concrete: expect variability in gaining, losing, and measuring: part 2 of a two-part series.
January 1, 2003... I've always suspected that the Rolling Stones were referring to air-entrained concrete when they sang, "You can't always get what you want." Achieving frost and scaling resistance can be a balancing act, especially when there is also a...

Climbing formwork system goes horizontal; full-round concrete placement for Austrian tunnel.
January 1, 2003... Environmental protection issues shaped the plans for a twin-tube vehicular tunnel, 1.45 miles long, outside the village of Steinhaus in Upper Austria. A cut-and-cover operation requiring the excavation of 650,000 cubic yards of soil, the tunnel...

Plywood understood: how to select and use structural wood-forming panels to get the results you need.(includes related article)
January 1, 2003... Concrete formwork can represent a significant chunk of the budget for a concrete structure. Successful and cost-effective form development must consider both engineering requirements and architectural intentions. Structural wood-forming panels...

One gigantic building--two gigantic designs: testing the limits of post-tensioned slabs on grade combined with state-of-the-art conventionally reinforced slabs.(Universal Leaf Tobacco processing facilities)
January 1, 2003... Universal Leaf Tobacco, headquartered in Richmond, Va., is the world's largest independent leaf tobacco merchant. With several large processing facilities, it is painfully aware of the maintenance and repair problems resulting from wear and...

Internal or external vibration? Done correctly, either will produce a high-quality finish.(of concrete)
January 1, 2003... Internal vibration is vibrating the concrete from within the formwork, while external vibration is vibrating the formwork from the outside. Who hasn't seen a precast patio block and wished for that kind of finish on the next concrete job? If...

How poor curing leads to scaling: a dense, carbonated layer just beneath a thin, weakened surface may contribute.(concrete driveways and sidewalks)
January 1, 2003... Scaling of concrete driveways and sidewalks occurs all too often during the first season's exposure to cyclic freezing and thawing (Fig. 1). In many cases, after the near-surface mortar has scaled away, and provided the concrete is of otherwise...

Whitetopping on the Navajo reservation: a thin concrete overlay was used to restore an asphalt street.(includes related article)
January 1, 2003... After attending a whitetopping demonstration in Albuquerque in the fall of 2001 (see sidebar, p. 96) and then carefully reviewing the procedure, Max Bighorse, P.E., the Navajo Housing Authority design group's civil engineer, decided to give...

Common problems with F-number measurements: use the pre-pour meeting to avoid these issues.
January 1, 2003... Consider these real-life contractor scenarios: * The contractor wants to meet with the owner to discuss payment of retainage. At the meeting, the owner hands the contractor a stack of F-number reports from the owner's testing agency and...

A World of Concrete demonstration: artistry in concrete: something new in 2003 sponsored by Concrete Construction and the Decorative Concrete Council. (World of Concrete).
January 1, 2003... The expanding field of decorative concrete owes much of its success to the development of more durable concrete. Those who install decorative concrete must know the basics and have good technical skills to be able to place and finish durable...

Removing sealer from decorative concrete. (Decorative Concrete).
January 1, 2003... Many decorative concrete contractors consider the removal of sealers to be one of the nastiest and most aggravating jobs they have to perform. Typically, the materials used for this work are hazardous, can be difficult to remove and to dispose...

Decorative problem clinic. (Decorative Concrete).(coloring concrete slabs, sealing exposed aggregate)
January 1, 2003... Coloring concrete slabs Q. I am looking to finish my store's concrete floor but it has a very smooth slab finish. Someone told me that spreading fertilizer and grinding it into the floor would add a nice color and make it porous for the...

Compact engraving machine. (Decorative Concrete's Most Innovative Products).(Brief Article)
January 1, 2003... The Super Compact 2500D engraving system has several patented features to make existing concrete look like brick, tile, or cobblestone. The precision-machined tool cuts accurate decorative patterns as a worker operates it from a comfortable...

Gelled acid for stenciling. (Decorative Concrete's Most Innovative Products).(Brief Article)
January 1, 2003... Tek Gel for Stenciling is a gelled acid that reportedly lets contractors create intricate stenciled decorative concrete without noise, mess, or cumbersome equipment. It does this by removing the laitance (or cream) off the top of the slab and...

Landscape curb machine. (Decorative Concrete's Most Innovative Products).(Brief Article)
January 1, 2003... The Lil' Bubba E.P. is designed to be the most advanced "plunger-style" landscape curb machine on the market. Its unique forward-backward and up-and-down plunging motion scores fresh concrete while packing it into the mold to prevent flat spots...

What causes scaling and loss of air. (Problem Clinic).(on surface concrete)
January 1, 2003... Editor's note: On page 14 of our July issue (in Reader Response), Dave Koerkenmeier asked whether vibration can cause scaling problems. He also asked if sprinkling water on the surface prior to hard troweling can cause scaling. Bryant Mather...

Core test at 85%. (Problem Clinic).(concrete)(Brief Article)
January 1, 2003... Q. ACI 301-99, Section 1.6.7.3, regarding core test results, maintains that concrete represented by core tests is considered adequate when the average compressive strength of the cores is equal to at least 85% of the specified strength. I'm...

Gunite or shotcrete? (Problem Clinic).(for swimming pool construction)(Brief Article)
January 1, 2003... Q. I am planning to have a swimming pool built and have been told that there is a difference in strength and durability between shotcrete and gunite. Which is preferable for a swimming pool? A. Shotcrete is the generic term that is now in...

SCC for piles. (Problem Clinic).(self-consolidating concrete for bored cast-in-place piles)(Brief Article)
January 1, 2003... We are considering using self-consolidating-concrete in bored cast-in-place piles up to 20 m deep. How can we check the level of compaction? Are there clear specifications for testing SCC and test specimens preparation? We cannot locate any...

The people's choice: readers can vote in the first annual Most Innovative Products contest online and at World of Concrete. (most innovative products).(Brief Article)
January 1, 2003... Every year at the World of Concrete, a select few exhibitors display truly innovative products that rise above the crowd and promise to make a significant impact on concrete construction in the years to come. With this in mind, CONCRETE...

Fiber-reinforced polymer rebar. (Concrete-Making Materials).(Brief Article)
January 1, 2003... Aslan FRP (fiber-reinforced polymer) is made from filaments or fibers (such as glass or carbon) held in a polymeric resin matrix binder. FRP bars have a surface treatment that facilitates a bond between the finished bar and the structural...

Hydraulic cements. (Concrete-Making Materials).(Brief Article)
January 1, 2003... ArmorCem hydraulic cements employ patented technology that enables them to harden in about 30 minutes or less while maintaining excellent workability and high compressive strengths. Made primarily from coal fly ash, these cements can be used...

Self-fibrillating structural fibers. (Concrete-Making Materials).(Brief Article)
January 1, 2003... Tuf-Strand SF synthetic structural fibers are a self-fibrillating polypropylene/polyethylene blend that disperses evenly in concrete for three-dimensional flexural strength. These fibers fray at each end for improved mechanical bond to the...

Control Joint System. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... The Mar-Flex Control Joint System is designed to eliminate random shrinkage cracks in residential concrete foundations. It consists of a Control Joint Extrusion that goes in wall locations that might leak, a Water-stop Elastomeric Sealant for...

Epoxy-like coating. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... Developed under the federal government's SBIR innovation research program, Thiokol LPE coatings are formulated by co-reacting liquid polysulfide with epoxy resins. These highly elastomeric coatings exhibit the toughness and adhesion of epoxy,...

Grinder dust-control accessory. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... Featuring a patented design, the BVG dust-extinguishing backpack accessory can be adapted to any 9-inch angle grinder to convert it to a concrete grinder. Nearly all dust (99.71%) created by cutting attaches itself to the cloud of mist and...

Joint sand stabilizer additive. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... SandLock organic joint sand stabilizer additive for pavers is an alternative to chemical joint stabilizers. The product is mixed with sand and swept into joints as part of the paving project. It binds the joint sand of interlocking concrete and...

Polyurethane waterproofing coating. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... Unique water-cure chemistry is the innovative feature of Elasto-Deck BT [H.sub.2]O, specially formulated to let contractors mix it with water at the jobsite as necessary to meet specific thickness requirements. Black in color, this...

Portable rebar fabricator. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... The FS-600 fabricating machine can be used at the shop or on the jobsite to cut rebar to length and fabricate stirrups, hooks, and 3-D bends. Weighing just 180 pounds, the electric/hydraulic portable unit plugs into a standard 110-volt outlet...

Rebar bending, cutting system. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... The EZE Bend hand-held hydraulic rebar bending and cutting system consists of three interchangeable power heads. The Push Bender bends the rebar toward the user. The Pull Bender head rotates up to 90 degrees, and its pulling action allows rebar...

Surface-applied ASR reducer. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... Reduce the effects or prevent the presence of alkali-silica reactivity (ASR) with EUCO ARC Treatment or EUCON Integral ARC, respectively. EUCO ARC Treatment is a surface-applied lithium-nitrate solution that migrates to ASR reaction sites and...

Rebar-tying tool. (Concrete Supplies And Products).(Brief Article)
January 1, 2003... The RB650 rebar-tying tool uses a 16-gauge wire to handle rebar up to #10. The tool reduces the time required to tie rebar, which speeds up the job and increases profits. MAX USA Corp., Booth 2953. 800-223-4293. www.maxusacorp.com. Circle 36....

Surface preparation gel. (Concrete Supplies And Products).
January 1, 2003... Tek Gel for Profiling is a surface preparation product that offers the dual advantages of uniformly profiling concrete while cleaning it. A high-viscosity gel, the product is spray, roller, or brush applied to flat, vertical, and even overhead...

Waterproofing membrane. (Concrete Supplies And Products).
January 1, 2003... Ceva Membrane 300 is a highly elastic, 100% solids epoxy, monolithic waterproofing membrane system capable of bridging cracks up to 1/16 inch. The two-component membrane is odor free after curing and resists a wide range of petroleum products...

3-cubic-foot portable mixer. (Concrete Placing And Finishing Equipment).
January 1, 2003... The portable Mix-N-Go mixer is ideal for a variety of applications, including small footings and bases, binding block, and concrete patching. It is small enough to be easily transported in the trunk of a car, yet it mixes up to 3 cubic feet of...

All-hydraulic riding trowel. (Concrete Placing And Finishing Equipment).
January 1, 2003... The HD550 Hydra-Drive Riding Trowel features all-hydraulic power steering and drive, which eliminates the need for manual levers, clutches, or mechanical gearboxes. Its patented "stretched" frame increases productivity by covering more floor...

Concrete pumping system. (Concrete Placing And Finishing Equipment).
January 1, 2003... The new Flared-End concrete pumping system offers more strength and worker safety with reduced weight thanks to a unique gasket design, thicker walls, and heat-treated components. Available in 1 1/2- to 2-inch sizes, the system meets or exceeds...

Durable wheelbarrow mixer. (Concrete Placing And Finishing Equipment).
January 1, 2003... The new Gilson 59000 Poly Wheelbarrow Mixer mixes 3 1/2 cubic feet of cement or mortar mix or two bags of pre-mixed concrete. Its ring gear is completely enclosed, and its drum won't crack or rust and is easy to clean or replace. A 1/3-hp...

Groovers for traction, drainage. (Concrete Placing And Finishing Equipment).
January 1, 2003... Produce a uniform sharp groove in concrete surfaces where water drainage and traction are critical with the Multi-Trac Bull Float Groovers, featuring grooves 1/4 inch deep and 1/4 inch wide. Available groove spacings are 1/2, 3/4, and 2 1/4...

Large all-wheel-drive buggy. (Concrete Placing And Finishing Equipment).
January 1, 2003... The WPB-16EAWD power buggy reportedly is the industry's first all-wheel-drive model with a 16-cubic-foot capacity. Its unique traction-assist valve lets operators activate the all-wheel drive with the flick of a switch while the engine is...

Laser screed. (Concrete Placing And Finishing Equipment).
January 1, 2003... By using the S-9210 CopperHead laser screed, a contractor can cut and screed concrete to a finished grade quickly and accurately with just a two-person crew (one for guidance and one for raking). The screed comes with an interchangeable...

Pump boom reducer. (Concrete Placing And Finishing Equipment).
January 1, 2003... The steel-reinforced Ruff-Neck Reducing Hose has a 4- to 5-inch reduction over a 10-foot span, eliminating the need for a steel reducer and coupling and resulting in less weight on the boom tip in concrete pumping applications. This reduction...

Boom pipe. (Concrete Placing And Finishing Equipment).
January 1, 2003... After much research and development, this company unveils its Super Pipe II boom pipe. The key features are a threaded insert, an inner wall harness of more than 600 Brinell, and pipe ends with no loss of hardness. In addition, the pipe offers...

Rebar screed-setting system. (Concrete Placing And Finishing Equipment).
January 1, 2003... MegaScreed is said to be the only rebar screed-setting system that accurately sets screed locations without the need for measuring. This system is ideal for slab-on-grade applications whether the contractor uses a lightweight screed, truss...

Riding edger trowel. (Concrete Placing And Finishing Equipment).
January 1, 2003... The new patented Pro 900 Edger Riding Trowel is designed to provide all of the benefits of an edging walker in a riding machine--allowing finishers to pan within 5/16 inch of walls, columns, or pipe. Features include two 36-inch-diameter,...

Steel-reinforced plastic trowel blade. (Concrete Placing And Finishing Equipment).
January 1, 2003... This steel-reinforced plastic trowel blade eliminates the risk of leaving burnishing marks. The blade produces a medium-to-hard finish and has a double edge for use during the critical stage of final finishing when burnish marks typically...

Surface polisher. (Concrete Placing And Finishing Equipment).
January 1, 2003... The DS31 Planetary Polisher reportedly produces flatter countertop, floor, tabletop, step, and wall surfaces in less time than traditional single-disk systems. Its unique handheld three-head planetary design produces a level surface. Powered by...

Curb slipformer. (Formwork And Other Forming Products).
January 1, 2003... For offset curb applications, the Curb Fox 3000 Slipformer can be equipped with a sensor-controlled hydraulic cylinder to position the rear of the slipform mold in precise alignment to the string line. Hydrostatic drive of the right rear wheel...

Flexible ICF system. (Formwork And Other Forming Products).
January 1, 2003... With the RBS vinyl forming system, contractors can pour walls of various heights quickly. All four versions of the system feature PVC-extruded polymer components. The RBS4 makes 4-inch-thick walls, the RBS6 makes 6-inch-thick walls, the RBS8...

Floor, roof, and deck ICF system. (Formwork And Other Forming Products).
January 1, 2003... The new Top Hat design for its Lite Deck ICF system for floors, roofs, and decks lets the contractor create custom joist depths for residential and commercial applications. It features a 6-inch-deep base section and a series of 2-, 4-, and...

Fast-track ICF system. (Formwork And Other Forming Products).
January 1, 2003... The E-Maxx insulating concrete forming system lets the contractor install insulation, wall studs, and the concrete foundation wall in one step. When the forms are removed, the insulated wall is ready for finishing. E-Maxx lets the contractor...

Footing/drainage system. (Formwork And Other Forming Products).
January 1, 2003... Form-A-Drain is a combination stay-in-place lineal footing form and drainage system that comes in 12-foot lengths 2 1/4 inches wide by 4, 6, or 8 inches high. Its footing form system allows immediate drainage to minimize downtime in inclement...

Form isolation pocket. (Formwork And Other Forming Products).
January 1, 2003... The polyethylene Pocket Form Isolator stays in the concrete footing and features an installed safety lid that supports the weight of a worker--letting you power screed or cast tilt-wall panels over the Isolator. It comes in 24- and 28-inch...

Formwork anchor. (Formwork And Other Forming Products).
January 1, 2003... Hardened cutting teeth at the tip of the Titen HD anchor undercut the concrete during installation, allowing the rest of the threads to follow with very little friction. The result is a continuous mechanical interlock between the anchor and...

Gasket-equipped, leak-resistant forms. (Formwork And Other Forming Products).
January 1, 2003... Flagship Elite forms have a new Side-Rail Gasket that increases wear life by preventing cement and water from leaking through unused tie holes and onto the hat sections in the back of the panel. The result is a smooth finished wall with a hard...

Large-section ICF system. (Formwork And Other Forming Products).
January 1, 2003... The PS*4000 formcreates 8 square feet of wall area in just four courses (compared with six 16-inch forms or eight 12-inch forms) for faste, easier installation. This form also is offered in a half size (12 inches high) to minimize cutting in...

ICF system for thick walls. (Formwork And Other Forming Products).
January 1, 2003... This manufacturer has added a 12-inch ICF tie so contractors can build 1-foot-thick concrete walls used in retainer and shelter applications. It also offers a 4.25-inch-thick Quad-Lock Plus form, said to provide the highest insulation value...

Pivoting crane-set forming system. (Formwork And Other Forming Products).
January 1, 2003... Contractors can use the Big Panel Rotator crane-set forming system vertically and horizontally because it can be pivoted 360 degrees. The Big Panel can handle loads of 1500 pounds per square foot and features a lifting device that hooks to any...

Tall, easily installable forms. (Formwork And Other Forming Products).
January 1, 2003... Previously available only in 3 1/2- and 6-inch-high forms, the Plastiform line now includes 4-, 6-, 8-, 10-, and 12-inch-high forms in lengths of 12 and 15 feet. They are reusable and feature visible end connectors that snap together for quick...

Tilt-up forming system. (Formwork And Other Forming Products).
January 1, 2003... Panel-Trak lets contractors form tilt-up panels 5 1/2 to 12 inches thick with minimal penetrations into the floor slab. The system uses a continuous base track with a built-in chamfered edge and double-sided tape. Brackets snap into the...

1-inch illuminated rotary hammer. (Concrete Repair And Demolition Equipment And Materials).
January 1, 2003... Just added to the eLuminate line of power tools, the HR2450F is said to be the first 1-inch-drive rotary hammer on the market. It features high-output LED lights, has a 7 1/2-amp motor (reportedly the most powerful in its class), and weighs...

Gas-powered grinder. (Concrete Repair And Demolition Equipment And Materials).
January 1, 2003... Perform surface preparation work with the TG-7 gas-powered 7-inch grinder. This machine can get within 5/16 inch of any vertical surface and features a two-position handle so the operator can control the amount of grinding pressure needed. A...

High-strength, waterproof crack repair. (Concrete Repair And Demolition Equipment And Materials).
January 1, 2003... Make high-strength waterproof crack repairs in all concrete columns, slabs, and walls with the Crack-Pac epoxy system. This two-part system consists of a resin and a hardener that, when mixed, create a formula with the viscosity of a light oil...

Exposed-aggregate crack filler. (Concrete Repair And Demolition Equipment And Materials).
January 1, 2003... Exposed-aggregate crack filler is formulated to fill cracks in concrete and blend with the color and texture of the exposed aggregate. The resin is poured into the crack and allowed to dry for an hour or two. Applying the company's sealer makes...

Low-dust grinder. (Concrete Repair And Demolition Equipment And Materials).
January 1, 2003... Remove paint, adhesives, and epoxy coatings with the DG 150 hand-held grinder, which uses 6-inch-diameter diamond cup wheels with "boomerang" or "spike" segments. Boomerang cup wheels (A1, C1, C2, and D1) remove material faster than a standard...

Slurry containment system for core drilling. (Concrete Repair And Demolition Equipment And Materials).
January 1, 2003... The new Core Bore Recirculating Slurry Containment System traps slurry in a filter bag, recirculates water to the drill bit, and keeps work areas clean during core drilling. A vacuum unit captures the slurry and recirculates the water. Ideal...