April 2013 Table of Contents

WEB EXCLUSIVE
Tilt-Up Concrete Repair

Contractor uses repair products that provide fast and smooth patching. Read more

Silicone Joint Sealers for Concrete Construction Silicone Joint Sealers for Concrete Construction

Silicone joint sealants used in construction of new runway at Andrews Air Force Base. Read more

OSHA Whistleblowers OSHA Whistleblowers

Employers need to understand the implications of OSHA’s new emphasis on whistleblower investigations and inspections. By taking appropriate steps, companies can minimize the number of potential whistleblower complaints that employees file. Read more

FEATURES
Why Three Pounds? Or, when can I glue on my linoleum? Why Three Pounds? Or, when can I glue on my linoleum?

The 3-pound limit and the moisture vapor emissions rate test methodology itself are contrary to good science: they cannot and should not used to characterize any mature slab for any purpose. Read more

Joint Stabilizers Prove Durable Joint Stabilizers Prove Durable

Mechanical devices intended to prevent movement across joints in concrete slabs, joint stabiizers, were invented in 2005. To determine their long-term performance, the author went back to check some early installations. Read more

Adding Water to Concrete Adding Water to Concrete

Adding water to a load of concrete may or may not be acceptable, depending on the parameters that must be met. Read more

Making Tipping Floors Healthy Again Making Tipping Floors Healthy Again

High-performance toppings are well-suited for the tough environments of tipping floors. Read more

Preparing Concrete for Durable Repairs Preparing Concrete for Durable Repairs

Performing each concrete repair efficiently and effectively calls for a particular set of skills, materials, and equipment. The repair must be structurally reliable, visually acceptable, and durable. Read more

JOBSITE PRODUCTS
Stihl + SB 80 Stihl + SB 80

The SB 80 is a diamond wheel features premium diamonds giving it great performance in everything from block, brick, and concrete to ductile iron and structural Read more

Ox Group + UU10 Auto series blade Ox Group + UU10 Auto series blade

The new UU10 Auto series blade incorporates new technology that arranges the diamonds in a regular patter using advance auto-array technology. Available in six Read more

MK Diamond + MK 101-24 MK Diamond + MK 101-24

The MK 101-24 feautes a 12.6 amp fan-cooled motor, permanently lubricated heavy-duty shaft bearings, built-in water distribution system, variable height cutting Read more

Metabo + The Combinator Metabo + The Combinator

The Combinator, a combined cutting and grinding wheel, is designed for performance and safety and eliminates the need to change abrasive wheels during cutting Read more

Makita + EK7651H Makita + EK7651H

The EK7651H four-stroke power cutter elminates the need for separate mixed oil/fuel cans due to its no- oil mixing simplified operation. Read more

Hilti + DSH 700 Hilti + DSH 700

The DSH 700 hand-held gas saw performs well in a variety of construction materials including cutting wet/dry concrete as well as brick and concrete block for small Read more

Diteq + Guardian diamond blade Diteq + Guardian diamond blade

Guardian diamond blade features three separate segment configurations: an Arix turbo segment along with a deep undercut and standard segments. ARIX Read more

CE Attachments + Edge Cold Planer CE Attachments + Edge Cold Planer

Achieve a smooth, precise cut and quickly restore concrete surfaces to the correct level with the Edge Cold Planer. The planetary gearbox generates high torque Read more

Bosch + Standard Line Bosch + Standard Line

The Standard Line of diamond blades deliver performance and speed in applications including cutting hard concrete, green concrete, tile, and general purpose. Read more

Smith Mfg. Co. + FS350 Smith Mfg. Co. + FS350

The FS350 self-propelled diamond shavers are designed to reduce prep time and improve surface finishes. Concrete Diamond Shavers help flooring contractors Read more

PRODUCTS SOLVING PROBLEMS
Alcatraz Shotcrete Repairs Alcatraz Shotcrete Repairs

A failing slope on a bluff on 22-acre Alcatraz Island was recently repaired by Boulderscape, San Juan Capistrano, Calf., a design/build firm that specializes in shotcrete. Read more

PROBLEM CLINIC
Garage floor troweling Garage floor troweling

For a garage floor, the trowel versus air-entrained concrete issue is a tough balancing act. Read more

CONTRACTOR TO WATCH
Contractor to Watch: Contech Services in Seattle Contractor to Watch Contractor to Watch: Contech Services in Seattle

Serving seven states with various contracting and structural repair services, it seems Contech has been guided in the right direction. Read more

Other Articles
Project of the Month: Long Beach High School, Lido Beach, N.Y. Project of the Month Project of the Month: Long Beach High School, Lido Beach, N.Y.

The $16.5 million expansion and renovation of the Long Beach High School is underway and it involves a lot of concrete work. Read more

Reinforce Relationships Reinforce Relationships

From the top down, contractors need to keep their fingers on the pulse of their crews. Equip your foremen with the tools to resolve conflict, build unity, and develop more teamwork. Read more

OSHA Whistleblowers OSHA Whistleblowers

Employers need to understand the implications of OSHA’s new emphasis on whistleblower investigations and inspections. By taking appropriate steps, companies can minimize the number of potential whistleblower complaints that employees file. Read more

Gloves for Hand Protection Gloves for Hand Protection

Work gloves that protect hands and knuckles. Read more

Hollow Drill Bit Hollow Drill Bit

A new drill bit provides a way to suck dust out of the hole as it is being drilled. Read more

Troweling Aid Research Troweling Aid Research

A new troweling aid extends set time and improves slabs. Read more

Radiant Heat Tubes Radiant Heat Tubes

A new way to lay out heating tubs and to insulate below a slab. Read more

Educated Contractor: Guide to Shortcrete The Educated Contractor Educated Contractor: Guide to Shortcrete

This web session presents information about ACI 506R-05, “Guide to Shotcrete.” Read more

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